Motorcycle Factory Service Bulletins & TSB Directory

Safety Recall 0118: Fuel Valve Petcock Standpipe Inversion Inspection & Replacement

Safety Recall Code 0118: Carbureted fuel shut-off valve reverse flow inspection and replacement

Safety Recall 0120: 2005 Police FLHTPI / FLHPI / FLHPEI ABS Hydraulic Line Inversion

Safety Recall Code 0120: ABS hydraulic manifold line port routing correction

Safety Recall 0124: 2006 Dyna 6-Speed Transmission False-Neutral Shaft & Shifter Fork Replacement

Safety Recall Code 0124: 6-speed transmission shift cam and detent update to eliminate false neutral condition

M1524: RECALL 0177 - 2019 - 2021 SPORTSTER - HEADLAMP BULB SHIELD

Safety Recall 0177: Headlamp bulb shield replacement to prevent dual-filament failure

M1568: SAFETY RECALL 0635 - FRONT BRAKE LINE BANJO BOLT ASSEMBLY

Safety Recall 0635: Front brake line banjo bolt assembly and junction block replacement

M1572: INSTRUMENT MODULE SOFTWARE UPDATE - PAN AMERICA & SPORTSTER S

Instrument module TFT display update for temperature and speedometer recalibration

Part 573 Safety Recall Report 18V-076: ABS Hydraulic Control Unit Flush & Fluid Replacement

Safety Recall 0171: ABS Hydraulic Control Unit valve stick prevention via DOT 4 Platinum fluid purge

Safety Recall Campaign 0173: Secondary Clutch Actuator Piston Assembly

Safety Recall 0173: Secondary clutch actuator piston internal seal bypass and fluid evacuation remedy

M1720 (REV A): PAN AMERICA ECM & BCM COLD START & QUICKSHIFTER UPDATE

Electronic Control Module (ECM) and BCM firmware update for cold-start idle stability and quickshifter optimization. BCM reflash mandatory prior to ECM reflash to eliminate nuisance DTC U040000.

M1733: MILWAUKEE-EIGHT CYLINDER COSMETIC BORE STAINING STANDARDS

Diagnostic standard confirming cosmetic cylinder etching and staining does not affect ring seal, oil consumption, or compression across Milwaukee-Eight 107/114/117 powerplants.

Campaign 990168: Ténéré 700 Front Brake Caliper Mount Bolt Thread Engagement

Factory Modification Campaign 990168: Inspection and replacement of front brake caliper mounting bolts with incorrect thread length (20mm thread on 40mm M10x1.25 bolt) to prevent thread stripping and caliper detachment

Bulletin M2015-013R / Campaign 99100: YZF-R1 / R1M Transmission 2nd Gear Failure & Replacement

Safety Recall M2015-013R: Complete replacement of transmission main and countershaft axle assemblies due to stress concentration fracture on 2nd gear wheel/pinion teeth bottom land

Safety Recall 15V-176: FZ-09 / MT-09 / YZF-R6 Shift Cam Segment Stopper & Shift Shaft Assembly

Safety Recall 15V-176: Shift shaft replacement due to sharp internal bend radius on shift cam segment stopper causing fatigue cracking and gear shift failure

Bulletin M2017-001R / Campaign 990112: YZF-R3 Fuel Tank Bracket & Main Ignition Switch

Safety Recall M2017-001R: Fuel tank fitting bracket replacement to prevent vibration-induced tank abrasion leaks, and main ignition switch subassembly replacement to prevent water ingress and engine stall

Bulletin M2022-005R / Campaign 990156: Tracer 9 GT Heated Throttle Grip Tube Guide & Bar End

Safety Recall M2022-005R: Throttle grip tube replacement and revised handlebar end weight installation to prevent lateral pulling forces from fracturing the internal guide and restricting throttle rotation

Bulletin M2022-006R / Campaign 990158: MT-09 / Tracer 9 GT ECU Throttle Calibration & Stall Reprogramming

Safety Recall M2022-006R: Engine Control Unit (ECU) software reprogramming to fix engine stall when clutch is partially disengaged during downshifts, limited throttle response upon deceleration, and failure to illuminate engine check light during system faults

Campaign 990120: MT-07 Drive Chain Guard Mounting Bolt Loosening & 4mm Countermeasure Collar

Safety Recall 18V-483 / Campaign 990120: Replacement of drive chain guard swingarm mounting bolts and installation of 4.0mm black anodized countermeasure collars torqued to revised 9 N·m specification to prevent bolt loss and guard detachment onto chain

Safety Recall MC20-13: Camshaft Chain Tensioner Heat Treatment Defect & Replacement

Safety Recall Campaign MC20-13 (NHTSA 20V-774): Insufficient strength of camshaft chain tensioner due to improper heat treatment

Safety Recall MC18-01: Transmission 2nd, 3rd & 4th Gear Impact Fracture & Replacement

Safety Recall Campaign MC18-01 (NHTSA 18V-089): Insufficient strength of transmission 2nd, 3rd, and 4th gears under high-impact shifting loads

Safety Recall MC16-03: Steering Damper Bracket Mounting Bolt Separation

Safety Recall Campaign MC16-03 (NHTSA 16V-102): Steering damper bracket mounting bolts overtightening/fatigue separation

Safety Recall MC17-04: Rear Shock Absorber Tie-Rod Frame Hole Elongation & Reinforcement

Safety Recall Campaign MC17-04 (NHTSA 17V-703): Rear shock absorber tie rod frame mounting hole elongation under bottom-out loads

Safety Recall MC18-06: Rear Brake Hose & Wheel Speed Sensor Wire Routing Correction

Safety Recall Campaign MC18-06 (NHTSA 18V-866): Rear brake hose and wheel rotation sensor lead contact with spinning rear brake rotor

Safety Recall MC25-04: Clutch Release Shaft Lever Fatigue Fracture & Replacement

Safety Recall Campaign MC25-04 (NHTSA 25V-146): Clutch release lever arm fatigue fracture at release shaft weld joint

Safety Recall MC09-03: Main Wiring Harness Frame Abrasion & Muffler Mount Hardware

Safety Recall Campaign MC09-03 (NHTSA 09V-062): Main wiring harness chafing against frame backbone tube causing short circuits and loss of power

Safety Recall KN3 (MTB 17819): CBR1000RR Oil Cooler Outlet Pipe Radiant Heat Guard

Safety Recall Campaign KN3 (NHTSA 22V-061): Extended 1st gear operation above 5,000 rpm causes exhaust radiant heat to melt oil cooler outlet pipe, risking engine oil leakage

Safety Recall KL9 (MTB 17684): CBR1000RR Rear Cushion Connecting Plates Inverted Stamping

Safety Recall Campaign KL9 (NHTSA 21V-249): Rear cushion connecting plates stamped upside-down, causing inverted orientation and rear shock linkage interference

Safety Recall KP8/KP9/KQ0: CBR1000RR & CBR600RR Denso Fuel Pump Impeller Deformation

Safety Recall Campaign KP8/KP9/KQ0 (NHTSA 24V-113): Low-density resin fuel pump impeller swells from fuel solvent absorption, interfering with pump housing and causing engine stall

Safety Recall KL4: CRF1100L Africa Twin In-Tank Fuel Filter Micron Suction Mesh Rebuild

Safety Recall Campaign KL4 (NHTSA 20V-797): Zinc oxide flux residue from fuel tank manufacturing detaches and clogs fuel suction filter mesh, starving high-pressure pump

Safety Recall KN1 (MTB 17798): Rebel 1100 (CMX1100) Radiator Cap Outer Hook Height Replacement

Safety Recall Campaign KN1 (NHTSA 21V-987): Stamping die error caused radiator cap outer hook height to exceed specification, causing cap ride-over and hot coolant spray

Safety Recall KR7 (MTB 55294): CBR650R & CB650R Gearshift Arm Clamping Bolt Loosening

Safety Recall Campaign KR7 (NHTSA 25V-107): Fasteners securing gearshift arm may loosen and separate from stroke sensor assembly, preventing gear shifts

Safety Recall KC4 (MTB 15216): Grom (MSX125) Fuel Pump Replacement & ECM Initialization

Safety Recall Campaign KC4 (NHTSA 16V-661): Resin fuel pump impeller swells from fuel contact, causing pump seizure and engine stall; supersedes 14V-672 (JL2)

Safety Recall KM6 (MTB 17758): CB500X & CBR500R ABS Brake Modulator Internal Valve Contamination

Safety Recall Campaign KM6 (NHTSA 21V-690): Foreign grease/particulate contamination inside ABS modulator valve body increases front brake stroke and degrades stopping power

Safety Recall 3A04: Front Brake Master Cylinder Reservoir Fluid Return Port Clearance

Safety Recall Campaign 3A04 (NHTSA 24V-769): Brake fluid return port drilling burr/blockage prevents pressure relief, risking front brake drag, overheating, and lever lockup

Safety Recall 3A01: ABS Hydraulic Actuator Unit Flare Nut Torque & Alignment Verification

Safety Recall Campaign 3A01 (NHTSA 24V-038): Brake pipe flare nuts to ABS control unit improperly torqued or cross-threaded, risking brake fluid seepage into battery tray under hard braking

Safety Recall 2A76–2A81: Quickshifter ECM Gear Shift Logic & Drive Chain Elongation Shock

Safety Recall Campaign 2A76-2A81 (NHTSA 18V-064): Missed 1st-to-2nd gear quickshift can cause engine over-revving; shock load on drive chain can cause chain stretch, dislocation, or breakage

Safety Recall 2A31–2A36: Front Brake Master Cylinder Internal Corrosion & Top Bleeder Redesign

Safety Recall Campaign 2A31-2A36 (NHTSA 13V-449): Moisture in brake fluid reacts with zinc-galvanized piston, generating hydrogen gas and causing spongy lever or loss of front brake pressure

Safety Recall 3A03: Rear Wheel Tire Tread Cracking & Dunlop Trailmax Mixtour Replacement

Safety Recall Campaign 3A03 (NHTSA 24V-535): Rear tire tread cracking or detachment in Dunlop Trailmax Mixtour tube-type tire, risking sudden inflation pressure loss and control instability

Safety Recall 2A65/2A66: AC Generator Magneto Stator Coil Heat Insulation Breakdown

Safety Recall Campaign 2A65/2A66 (NHTSA 16V-878): Insufficient thermal resistance of stator coil wire insulation causes short circuit to ground, charging failure, battery drain, and engine stall

Safety Recall SIB 31 01 22: R 1200 GS Telelever Fixed Fork Tube Stanchion Crimp Separation

Safety Recall Campaign 00 00 31 30 00 (NHTSA 17V-438): High impact loads can cause crimp separation between stanchion tube and top seal plug, risking loss of front wheel steering stability

Safety Recall SIB 34 03 21: R 1250 GS & S 1000 RR Front Brake Caliper Fluid Weepage Check

Safety Recall Campaign 0000348700 (NHTSA 20V-476): Front radial brake calipers may weep brake fluid past piston seals under low pressure or cold ambient soak, causing reduced braking feel

Safety Recall SIB 11 02 22: S 1000 RR & M 1000 RR 10-Bolt Clutch Cover Angle Torque

Safety Recall Campaign 0000112800 (NHTSA 22V-752): Clutch cover aluminum screws unlubricated at assembly may loosen, risking engine oil leakage directly ahead of the rear tire

Safety Recall SIB 23 01 23 & 33 01 20: R 1250 GS Gearbox Input Shaft Torsion & Paralever Pivot

Safety Recall Campaign 0000232600 & 20V-165: Airborne jumping wheel-speed deltas cause gearbox input shaft torsional shearing; pivot pin bolt replacement secures final drive housing

Safety Recall SIB 61 07 24: R 1300 GS Electromagnetic Starter Relay Conversion

Safety Recall Campaign STOP610022 (NHTSA 24V-557): Defective semiconductor starter relay can latch continuously closed, causing starter motor burnout, battery drain, or thermal fire

Safety Recall SIB 61 09 24: R 18 Big Boxer Reverse Gear Control Unit Waterproofing

Safety Recall Campaign 0000611900 (NHTSA 24V-716): Moisture ingress into electric reverser control unit causes PCB short circuits and potential thermal event

Safety Recall KTB2112 / HTB2110: 27mm Hydraulic Clutch Slave Cylinder & Bellows Gasket Seal

Safety Recall KTB2011: Rear Brake Line Thermal Radiation Rerouting & Heat Shielding

Safety Recall KTB2106: Front Brake Master Cylinder Piston Return Spring Upgrade

Safety Recall KTB2211: Main Wiring Harness Subframe Chafing & Protection Clip

Safety Recall 18V-033: Brembo 16mm PR16 Radial Master Cylinder Aluminum Piston Retrofit

Safety Recall KTB2606 / HTB2603: Sealed E-Throttle Twist Grip Assembly & Adaptation Reset

Safety Recall 25V-570: Panigale V4 & Streetfighter V4 Single-Sided Swingarm Rear Wheel Axle Shaft Replacement

Structural integrity recall: Rear wheel axle shaft replacement (81920831AA / 81920611A), fillet radius stress reduction, M48 collar nut 230 Nm, eccentric clamp 35 Nm

Safety Recall 18V-834 / CR167: Panigale V4 Oil Cooler Output Port Welded Reinforcement & Hose Fittings

Thermal fatigue countermeasure: Oil cooler assembly replacement (54811364A) with dual welded port reinforcement plates, 24mm hose union nuts 15 Nm, duct mounts 5 Nm, 0.42L top-up

Safety Recall 18V-854 / CR169: Desmosedici Stradale Hydraulic Timing Chain Tensioner Torque Revision

Oil seepage prevention: Update tightening torque of front and rear cylinder bank hydraulic chain tensioners to 50 Nm using 27mm 12-point socket and washer A inspection

Safety Recall 19V-382 & 18V-238 / CR177: Panigale V4 Fuel Tank Filler Cap Venting System & Check Ball Deletion

Fuel spray hazard prevention: Mechanical deletion of check ball 7 from valve block 6, Torx T10 0.9 Nm, outer ring M5 screws 4 Nm, decal 43314761A & DDS 2.0 ECU global scan

Safety Recall 21V-315 & 21V-335 / CR211: Monster 821 & 1200 Low-Permeation Rear Brake Hose & ABS Circuit Retrofit

Hydraulic vapor lock prevention: Installation of low-permeation braided PTFE rear brake lines, banjo special screws 25 Nm with copper crush washers, swingarm clips 8 Nm, 8kg load stroke check & 10x ABS activations

Safety Recall 21V-212 / CR207: Multistrada V4 & V4 S Valve Guide Metallurgy & Complete Engine Exchange

Premature valve guide wear countermeasure: Complete crated V4 Granturismo engine replacement, mounting studs 60 Nm, swingarm pivot 130 Nm, Eni Spezial coolant & DDS 3.0 diagnostic calibration

Safety Recall 26V-050: Panigale V4 & Streetfighter V4 Rear Brake Line Heat Shield Protection

Exhaust thermal degradation: Replacement of rear brake line thermal sleeve between ABS unit and caliper to prevent heat-induced hydraulic brake pressure loss

Safety Recall 23V-730 / SRAN 611: Rocket 3 (R / GT / TFC) Rear Brake Master Cylinder 12.7mm to 14.0mm Piston Upgrade

Hydraulic pedal stroke elongation mitigation: Replacement of factory 12.7mm rear brake master cylinder with countermeasure 14.0mm master cylinder assembly (2025444 / T2024188), M10 banjo union 25 N·m, mounting bracket 9 N·m, and pedal free play calibration.

Safety Recall 23V-006 / SRAN 605: Speed Triple 1200 RS / RR Radiator Cooling Fan Radiant Heat Shield & ECU Map

Radiator cooling fan motor thermal protection: Installation of auxiliary stainless radiant heat shield (T2100418) between primary exhaust headers and fan housing, fan shroud torques 4 N·m, radiator mounts 9 N·m / 6 N·m, and revised ECU staged fan calibration.

Safety Recall 20V-236 / SRAN 579: Street Triple 765 & Tiger 1200 Brembo Stylema Front Brake Pad Sintered Compound Upgrade

Friction material delamination countermeasure: Replacement of high-nickel sintered front brake pads with upgraded formulation pads (T2020473), Brembo radial caliper bolts 40 N·m dry, and pad retaining pin 18 N·m.

Safety Recall 19V-133 / SRAN 560: Bonneville T120 / T100 / Street Twin Steering Headstock Tidy & Clutch Cable Routing

Electrical harness chafing prevention: Replacement of original headstock cable guide with countermeasure Headstock Tidy (T2070054 / T2070055) providing 12mm separation, Coroplast harness re-wrapping, and handlebar riser clamp sequence (26 N·m).

Safety Recall 23V-583 / SRAN 606: Trident 660 & Tiger Sport 660 MAP Sensor Breather Hose Condensation Trap

Engine stalling countermeasure: Replacement of intake manifold pressure vacuum hose with upgraded hose kit (T1240899) featuring integrated condensation trap and enlarged internal diameter, throttle body spigot clamps 1.5 N·m, and airbox 3 N·m.

Safety Recall 24V-785 / SRAN 641: Bonneville T120 / T100 / Speed Twin 900 Alternator to Regulator Connector Thermal Relief

Alternator charging connector thermal protection: Inspection of 3-phase alternator terminal block against fretting oxidation, installation of wire alignment harness clip (T2500412), and connector terminal replacement.

Safety Recall 21V-502 / PA2ZZQ2107: RS 660 & Tuono 660 Connecting Rod Breakage -> Complete Crated Engine Replacement

Connecting rod metallurgical fracture countermeasure: Full powertrain replacement with crated factory long-block engine assembly (CM2966115) and installation kit (1L006293C), pinion screw 50 N·m, exhaust gaskets 20 N·m, and 2.70L Castrol 10W-50 oil fill.

Safety Recall 20V-245 / PA2ZZQ2001: RSV4 & Tuono V4 Brembo Stylema / M50 Front Brake Pad Compound Replacement

Friction compound delamination countermeasure: Replacement of original front brake pads with upgraded high-temperature sintered pads (2B006883 / 2B006884), radial caliper mounting bolts 50 N·m dry, and pad slide pin 20 N·m.

Safety Recall 17V-811 / PA2ZZQ1706: RSV4 & Tuono V4 Brembo Radial Front Master Cylinder Aluminum Piston Upgrade

Radial master cylinder hydraulic failure prevention: Replacement of original polyphenylene sulfide (PPS) plastic master cylinder piston with hard-anodized aluminum alloy piston kit (1058444 / 2B004944), lever pivot nut 5-7 N·m, and master bleeder 5-7 N·m.

Safety Recall 16V-691 / A_160299_RC_EN: Tuono V4 1000/1100 & Caponord Front Master Cylinder Pushrod & Boot Kit

Hydraulic spongy lever & air ingress remedy: Installation of redesigned pushrod, spring-loaded seat, and sealed rubber dust boot kit (2B003807), 13mm socket with max OD 18.8mm, lever pivot nut 5-7 N·m, bleeder plug 5-7 N·m, and vacuum circuit purge.

Safety Recall 15V-007 / PP2ZZQ1407: Shiver 750/900 & Dorsoduro Output Shaft Pinion Screw & Recess Verification

Secondary output shaft pinion looseness remedy: Gauge inspection of gearbox output shaft recess diameter (must be <= 15.50 mm), thread cleaning with M10x1.25 tap, and installation of Technologic pre-coated screw (B043047) torqued to 50 N·m.

Safety Recall 19V-561 / PA2ZZQ1904: Shiver 900 & Dorsoduro 900 Front Master Cylinder Drag & Piston Free Play

Front brake hydraulic residual pressure & drag countermeasure: Inspection and replacement of front master cylinder piston assembly to guarantee return stroke clearance, lever pushrod adjustment, and DOT 4 fluid flush.

Technical Service Bulletin PA2ZZQ2204: Tuareg 660 Driveline Slack Calibration & Swingarm Pivot Torque Verification

Driveline slack calibration and pivot security: Mandated 35–40 mm chain slack setting on side stand for 240mm Kayaba long-travel suspension, 120 N·m rear axle spindle nut, 100 N·m swingarm pivot pin, and 50 N·m countershaft sprocket screw.

Safety Recall Bulletin I-18-07 / NHTSA 20V-454: Indian Scout Front Brake Line Guide Clearance & ABS Evacuation

Front brake hydraulic architecture and ABS module evacuation: Re-routing front brake line through repositioned lower triple clamp guide bracket ensuring >= 10mm dynamic clearance, followed by automated Polaris Digital Wrench ABS hydraulic valve cycling and manual purge.

Safety Recall Bulletin I-22-04 / NHTSA 22V-636: Indian FTR 1200 Coolant Junction Housing Replacement Countermeasure

Coolant distribution manifold integrity: Replacement reinforced alloy coolant junction housing preventing pressurized coolant leakage onto rider boot and rear tire during thermal expansion cycles. Housing bolts 10 N·m, cooling system 2.60 L premix.

Safety Recall Bulletin I-19-05 / NHTSA 19V-882: Indian Heavyweight & FTR 1200 10A Circuit Breaker Triad Upgrade (PN 4011371)

Powertrain and lighting circuit breaker reliability: Replacement of sub-specification 10A thermal circuit breakers in right-hand V-cover fuse box (FAN 10A, ENGINE 10A, IGNITION 10A) with validated red-dot service breakers (PN 4011371) to prevent engine cutout.

Safety Recall Bulletin I-24-07 / NHTSA 24V-550: Challenger, Pursuit, Chieftain & Springfield Heavy-Duty Rear Suspension Pushrod Replacement

Rear suspension pushrod structural integrity: Replacement forged high-strength steel pushrod countermeasure preventing link buckling under passenger/luggage load, protecting main chassis harness, coolant reservoir, and rear tire clearance. Link bolts 80 N·m.

Safety Recall Bulletin I-16-02 / NHTSA 16V-446: Thunderstroke 111/116 3-Cam Engine Misfire & Exhaust Temperature ECM Calibration

Thunderstroke 3-cam valvetrain exhaust thermal management: ECM software reflash detecting engine misfires and cutting unburned fuel flow into dual exhaust system, preventing elevated exhaust temperatures and catalytic converter overheating.

Safety Recall Bulletin I-22-06 / NHTSA 22V-837: Indian Scout & Chief High-Pressure Fuel Pump Module & Viton Flange Gasket (PN 5414830)

In-tank EFI fuel pump reliability: Replacement fuel pump module (Chief PN 2522501 / Scout PN 2521733) and molded Viton seal (PN 5414830). Mandates crisscross star tightening sequence to 5 N·m (44 in-lb) and dual-technician quick-connect verification.

Safety Recall Bulletin I-24-11 / NHTSA 24V-970: 2025 Indian Scout False Neutral Display Software ECM Calibration Update & 141T Driveline Alignment

Scout 141-tooth carbon belt driveline and ECM neutral detection: Calibration reflash eliminating false Neutral cluster indicator, accompanied by 10.0–12.0 mm belt deflection and axle alignment verification.

Safety Recall Bulletin I-25-01 / NHTSA 25V-108: Indian Challenger & Pursuit Lower Triple Clamp Pinch Bolt Torque & Fork Stanchion Engagement

Challenger and Pursuit inverted front fork clamping security: Lower triple clamp pinch bolt inspection and retorque to 24 N·m, verifying fork stanchion tube position and preventing steering head loosening under braking forces.

Safety Recall Bulletin I-24-03 / NHTSA 24V-069: Indian FTR 1200 & Challenger Contactless Gear Position Sensor (GPS) Calibration

Digital gear position detection: Calibration routine for contactless Hall-effect gear position sensor preventing erroneous neutral gear indication and ignition interrupt.

Safety Recall Bulletin 0181 & 0182 / NHTSA 23V-591: Softail Rear Shock Absorber Pre-Load Fastener Rear Tire Contact

Softail mono-shock pre-load adjuster fastener retention: Certain 2018–2023 Softail models (Fat Boy, Heritage Classic, Breakout, Street Bob, Low Rider) fastener securing remote adjuster knob may loosen and contact the rear tire, leading to tire damage or sudden deflation.

Safety Recall Bulletin 0188 / NHTSA 25V-375: Softail Rear Shock Pre-Load Adjuster Mounting Tab Bracket Countermeasure

Softail mono-shock adjuster mounting tab structural fatigue: Mounting tab on rear shock pre-load adjuster may fracture under cyclic road vibrations on 2018–2024 Softail models, allowing adjuster to move and contact rear tire.

Safety Recall Bulletin 0171 / NHTSA 18V-076: VRSC V-Rod & Touring ABS Hydraulic Control Unit (HCU) Valve Solenoid Flush

Anti-Lock Brake System (ABS) valve sticking: Deposits can form in the ABS Hydraulic Control Unit (HCU) if DOT 4 brake fluid is not flushed every 2 years / 30,000 miles, potentially causing a valve to stick and diminishing front or rear brake pressure.

Safety Recall Bulletin 0173 / NHTSA 18V-734: Touring & Softail Secondary Hydraulic Clutch Actuator Piston Assembly (Kit #91500093)

Secondary clutch actuator internal seal tear: Secondary clutch actuator piston assembly within transmission right side cover may tear, allowing fluid bypass and causing hydraulic pressure loss, resulting in inability to disengage the clutch when stopped in gear.

Safety Recall Bulletin 0169 / NHTSA 16V-471: Hydraulic Clutch Master Cylinder Disengagement Inspection & Seal Flush

Hydraulic clutch master cylinder internal gas generation: In extended parking periods, chemical reaction inside clutch master cylinder can generate gas bubbles, reducing effective stroke and causing clutch drag upon cold restart.

Safety Recall Bulletin 0127 / NHTSA 06V-359: VRSC V-Rod Under-Seat Fuel Sender Flange Gasket & Tank Vent Check Valve

Under-seat 5.0-gallon fuel cell sealing integrity: Fuel sender flange seal on top of molded fuel cell under the hinged seat may weep fuel vapors under elevated tank pressures or high ambient temperatures.

Technical Service Bulletin TSB-21-04: Fat Boy Solid Lakester Wheel Hub, 240mm Rear Tire & Pulley Torques

Fat Boy solid disc Lakester wheels service procedures: Proper bearing endplay, 240/40R18 rear tire seating, driven sprocket/pulley bolt torque with angle turn, and brake rotor fastener retention.

Technical Service Bulletin TSB-18-09: Softail Laced Wheel Spoke Truing, Nipple Torques & Secondary Drive Belt Deflection

Heritage Classic and Street Bob steel laced wheel spoke maintenance: Spoke nipple torque checks at initial 1,000 miles and 5,000-mile intervals, lateral and radial rim runout limits, and secondary drive belt deflection gauge procedure.

Technical Service Bulletin TSB-23-08: Breakout 21-Inch Front Turbine Wheel, 49mm Fork Clamp Torques & Steering Head Fall-Away

Breakout front chassis geometry inspection: 21-inch 26-spoke cast turbine wheel, 34-degree fork rake / 37-degree steering head rake angle, 49mm dual-bending fork pinch bolt torques, and steering head stem bearing fall-away preload.

Technical Service Bulletin FSB-HON-RUK-01: GET 49cc V-Matic CVT Variator Roller Wear, Belt Width Limits & Final Drive Gear Oil Service

Honda Ruckus NPS50 CVT driveline service: Variator roller flat-spot inspection (16x13mm, 7.0g), drive belt wear limit (17.0mm vs 18.0mm std), 38 N·m drive face and clutch outer retention torque, and 100ml SAE 10W-30 final drive drain/fill interval.

Technical Service Bulletin FSB-HON-PCX-01: eSP / eSP+ Cooling System Refill & Bleed, Engine Oil Strainer Screen Cleaning & CVT Pulley Torque Procedure

Honda PCX150 / PCX160 eSP+ engine service: Coolant air purge from side-mounted radiator bleed nipple, bottom 17mm oil strainer spring/screen cleaning (20 N·m torque), drive face nut tightening to 59 N·m with holding tool, and clutch nut to 49 N·m.

Technical Service Bulletin FSB-YAM-ZUM-01: Unified Braking System (UBS) Cable Balancing, Final Transmission Oil Drain & V-Belt Wear Service

Yamaha Zuma 125 chassis and driveline maintenance: Unified Braking System equalizer cable free play adjustment (10–20 mm lever play), final drive case 110ml oil drain and fill (13 N·m drain plug), and CVT primary sheave torque to 55 N·m.

Safety Recall Bulletin FSB-YAM-XMX-01 / NHTSA 25V-778: Camshaft Retainer Bolt Security Verification, Blue Core Valve Clearances & CVT High-Torque Sheave Service

NHTSA Campaign 25V-778 safety recall: Camshaft retainer bolt on 2024–2025 XMAX 300 engines may not have been tightened to specification during factory assembly, which could allow the bolt to back out, leading to camshaft axial displacement, timing deviation, or engine stall. Includes Blue Core cold valve lash inspection (IN: 0.08–0.12mm, EX: 0.22–0.26mm) and primary sheave 115 N·m torque.

Technical Service Bulletin FSB-SUZ-BRG-01: Rear Progressive Link Suspension Pivot Lubrication & Mechanical Parking Brake Caliper Lock Adjustment

Suzuki Burgman 400 bottom link-type monoshock maintenance: Needle bearing pivot bolt inspection and 78 N·m torque, 7-position cam preload setting, rear mechanical parking brake cable free play calibration (1–2 clicks lever lock), and CVT air filter sponge cleaning.

Technical Service Bulletin FSB-VES-GTS-01: Single-Sided Trailing Link Front Spindle Bearing Overhaul, ASR Sensor Air Gap & Rear Hub Gear Oil Service

Vespa GTS 300 / HPE single-sided front trailing link arm overhaul: Steering column needle bearing pack inspection, front shock lower mount torque (40–45 N·m), ASR wheel speed tone ring sensor air gap calibration (0.8–1.2 mm), and rear hub 250ml 80W-90 oil drain/fill.