Dedicated Subsystem WorkbenchPlatform Gen: 2016–2026

2023 Aprilia Tuono V4 1100 Factory / RR / 1000 Tire Sizes, Cold Pressures & Gearing Ratios

OEM tire sizes, front cold PSI (), rear cold PSI (), sprocket teeth count, final drive ratio, and chain pitch for 2023 Aprilia Tuono V4 1100 Factory / RR / 1000.

Gen 2016–2026

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2016 through 2026.

Select Model Year:(Active: 2023)

2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Engine

1077cc

Drive

525

Cooling

Liquid-Cooled

Tire Engineering & Multi-Scenario Pressure Matrix

ETRTO Validated

Inflation targets calibrated across operating modes, verified rim width ranges, and certified alternate sizes.

Shop Direct-Fit Tires

Multi-Scenario Inflation Pressures

Solo Street / CommutingCold Baseline

Front: Not Available

Rear: Not Available

Two-Up Passenger & LuggageMax Load

Front: Not Available

Rear: Not Available

Off-Highway / Terrain Pressure

Maintain OEM cold baseline for street transfers; adjust -2 to -4 PSI for loose terrain.

Rim Geometry & ETRTO Envelopes

Front Wheel

OEM Rim Width:Not Available

Permissible Envelope:Not Available

Rear Wheel

OEM Rim Width:Not Available

Permissible Envelope:Not Available

Operating outside ETRTO envelope width alters crown radius, accelerates shoulder wear, and impacts lean stability.

Factory Dimensions & Verified Alternates

Factory Standard Sizes

Front:120/70 ZR17 (Pirelli Diablo Rosso IV Corsa)

Rear:200/55 ZR17

Verified Alternate Fitments

Factory standard sizing recommended.

Alternate profiles verified for swingarm, chain guard, and fender clearances.

Final Drive Gearing & Speed/RPM Calculator

Chain Drive

Factory reduction ratios, interactive sprocket gearing simulator, 6th gear cruising RPM matrix, and swingarm chain adjustment tolerances.

Launch Full Gearing Simulator Shop Chains & Sprockets

Factory Pitch / Size

525 Pitch

OEM Sprockets

15T Front / 42T Rear

Factory Final Ratio

2.800 : 1

Factory Link Count

110 Links

Tensile Rating

Not Available

Quick Gearing Presets

Front Countershaft SprocketStock: 15T

15 Teeth

Factory teeth count

Rear Driven SprocketStock: 42T

42 Teeth

Factory teeth count

Drive Ratio & Torque Impact

Calculated Final RatioStock: 2.800

2.800 : 1

Drivetrain Torque Delta

OEM Factory Baseline Dynamics

Balanced all-around factory engineering calibrated for EPA emissions and street usability.

Countershaft Speedo Variance:0.0%

Speedometer reads true to factory calibration standards.

Cruising Engine RPM in 6th Gear

60 MPH

Stock: 3,414 RPM

3,414 RPM

70 MPH

Stock: 3,983 RPM

3,983 RPM

80 MPH

Stock: 4,553 RPM

4,553 RPM

Calculated using factory 6th gear ratio (0.923), primary reduction (1.681), and 200/55 ZR17 rolling circumference.

Chain Sizing & Swingarm Slack

Recommended Drive Chain Length:110 Links

Fits within factory swingarm axle slot adjustment range. Retain stock 110 links.

Factory Swingarm Slack Tolerance

Measure slack at midpoint between countershaft and rear axle on the bottom strand with the motorcycle on its side stand unladen.

Master Link Requirement:Not Available

Recommended Hardware: •

Shop Chain Breaker & Rivet Tools Find Direct-Fit Gearing Sets

Factory Chassis Geometry

Chassis Alignment, Drive Tension & Rear Axle Calibration

Precision workshop alignment tools, dynamic drive tension tolerances, and axle spindle calibration for the 2023 Aprilia Tuono V4 1100 Factory / RR / 1000.

Factory Swingarm Slack Tolerance

Not Available

Test Condition: Measure midway on lower chain run with bike on side stand (unweighted).

Measured Chain Slack

30 mm

10mm (Too Tight)Factory Window: 25 - 35 mm65mm (Critical Slack)

PASS: IN FACTORY SPEC(30 mm / 1.18 in)

FACTORY TOLERANCE CERTIFIED: Chain tension is in optimal balance. Allows complete swingarm articulation through the entire suspension stroke without countershaft binding or excessive snatch on deceleration.

Precision Alignment

Rear Axle Caliper Alignment

Why mechanics never trust swingarm stamped notches: Factory stamping tolerances can be off by up to 3mm, causing the rear tire to "dog-track" and chew through tire shoulders.

LEFT PIVOT TO AXLE:

215.0 mm

RIGHT PIVOT TO AXLE:

215.0 mm

PERFECT WHEEL ALIGNMENT (PASS)Δ 0.0 mm

Rear axle is square to the swingarm pivot within 0.5mm. Sprocket and chain tracking run in direct true plane.

Wear Limit Diagnostic

21-Pin (20-Pitch) Chain Stretch Test

Pull chain tight and measure distance across 21 consecutive pins with a vernier caliper. Standard new length = 317.5 mm; factory discard limit = 323.0 mm (1.5% stretch).

MEASURED 21-PIN DISTANCE:

317.5 mm

Stretch: +0.0 mm (0.0%)

Remaining Chain Pin/Bushing Life:100% (GOOD)

Three Professional Workshop Alignment Techniques

Method 1 — Swingarm Pivot to Axle Center (The Gold Standard):

Insert a precision rod or vernier caliper measuring from the center dimple of the swingarm pivot bolt to the center dimple of the rear axle on both left and right sides. Both sides must match within 0.5 mm. This mechanically guarantees that the rear axle is perfectly perpendicular to the motorcycle chassis centerline regardless of factory swingarm stamping defects.

Six-Step Workshop Chain Adjustment Protocol

Rear Axle Nut: Not Available - Refer to Factory Workshop ManualAdjuster Locknut: 16 - 22 N·m

1Loosen Axle Spindle Nut

Loosen the rear axle nut 1 to 2 full turns (Not Available - Refer to Factory Workshop Manual). Keep it snug enough so the wheel does not cock sideways freely.

2Back Off Adjuster Locknuts

Back off the jam locknuts on both the left and right adjuster bolts by 2 to 3 turns using a 12mm or 14mm box wrench.

3Turn Adjusters in Small Increments

Turn both adjuster bolts equally. One full 360° turn of an M8 bolt moves the axle by 1.25 mm. Adjust 1/4-turn at a time.

4Kick Tire Firmly Forward

Kick the rear tire firmly toward the front of the motorcycle to ensure the axle blocks are solidly seated against the bolt heads.

5Torque Rear Axle Nut to Spec

Torque the axle spindle nut to exactly Not Available - Refer to Factory Workshop Manual. Always use a calibrated 1/2" torque wrench.

6Crucial Re-Check of Slack

Torquing down the rear axle nut frequently tightens chain slack by 2 to 4 mm! Always re-check slack after full torque is applied.

Official NHTSA Safety Recalls & Technical Bulletins

3 Active Campaigns

U.S. Department of Transportation compliance database (Title 49 U.S.C. Chapter 301).

Verify VIN on NHTSA.gov

The U.S. National Highway Traffic Safety Administration reports 3 safety recall campaigns associated with this platform. Independent repair shops and riders should confirm that authorized dealership warranty remedies have been applied.

NHTSA #16V691000SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Received: 09/26/2016▼

Defect Description

Piaggio Safety Recall A_160299_RC_EN: Front master cylinder pushrod and rubber boot can allow air ingress into the hydraulic circuit during lever rebound.

Safety Hazard / Consequence

Air ingestion into the master cylinder leads to spongy lever travel and reduced braking efficiency.

Factory Remedy & Repair Action

Dealers will install redesigned pushrod, spring-loaded seat, and sealed rubber boot kit (2B003807) free of charge. Bleeder screw 5-7 N·m.

Manufacturer Notes: Piaggio Bulletin A_160299_RC_EN. NHTSA Recall 16V-691.

NHTSA #20V245000SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

Received: 04/28/2020▼

NHTSA #17V811000SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Received: 12/15/2017▼

OEM Workshop Archives

Official Factory Service Bulletins & Field Updates

3 Documented Bulletins

Bulletin #A_160299_RC_ENSafety Recall 16V-691 / A_160299_RC_EN: Tuono V4 1000/1100 & Caponord Front Master Cylinder Pushrod & Boot Kit

Source: RCRIT-16V691-7380.pdf

Mandated Torques:Front Master Cylinder Bleeder Plug: 5–7 N·m (44–62 in-lb)Brake Lever Pivot Bolt & Locknut: 5–7 N·m (44–62 in-lb)Caliper Bleeder Screws (Front Brembo): 7–10 N·m (62–89 in-lb)Handlebar Master Cylinder Half-Clamp Bolts: 8–10 N·m (71–89 in-lb)

Consumable Specs:Brembo DOT 4 Brake FluidDow Corning Molykote 111 Silicone Lubricant

Genuine Part Numbers:2B003807 (Master Cylinder Redesigned Pushrod, Boot & Spring Seat Kit)890825 (Bleeder Sealing O-Ring)

Safety Recall 16V-691 / A_160299_RC_ENTuono V4 1100 & Caponord Platform

Aprilia Front Brake Master Cylinder Pushrod & Dust Boot Assembly

Countermeasure protocol: Pushrod & boot kit (2B003807), pivot pin nut 5–7 N·m, master bleed plug 5–7 N·m, and piston retraction bleeding.

Fastener Torque & Workshop Remedy Protocol

Click any labeled component in the schematic above to inspect pushrod assembly kit, pivot pin nut torque, and bleeding instructions.

Bulletin #PA2ZZQ2001Safety Recall 20V-245 / PA2ZZQ2001: RSV4 & Tuono V4 Brembo Stylema / M50 Front Brake Pad Compound Replacement

Source: RCLRPT-20V245-6783.PDF

Mandated Torques:Brembo Radial Front Caliper Mounting Bolts (4x M10×1.25): 50 N·m (37 lb-ft) (dry threads)Brembo Brake Pad Retaining Slide Pin (M10 Hex): 20 N·m (14.8 lb-ft)Front Wheel Axle Spindle Bolt (M25): 65 N·m (48 lb-ft)Front Axle Fork Bottom Pinch Bolts (4x M8): 12 N·m (106 in-lb)

Consumable Specs:Castrol React Performance DOT 4 Brake FluidBrembo Caliper High-Temp Synthetic Pin Lube

Genuine Part Numbers:2B006883 (Upgraded Sintered Front Brake Pad Set - Left)2B006884 (Upgraded Sintered Front Brake Pad Set - Right)2B003310 (Pad Retaining Bridge Clip)

Safety Recall 20V-245 / PA2ZZQ2001RSV4 & Tuono V4 Superbike Platform

Aprilia RSV4 & Tuono V4 Brembo Radial Caliper & Sintered Brake Pad Assembly

Service specification: Radial mounting bolts 50 N·m dry, slide pin 20 N·m, 330mm disc min thickness 4.5mm, and upgraded sintered pads.

Component Specification & Recall Protocol

Click any labeled component in the schematic above to inspect radial bolt torque, pad retaining pin, and 330mm rotor service limits.

Bulletin #PA2ZZQ1706Safety Recall 17V-811 / PA2ZZQ1706: RSV4 & Tuono V4 Brembo Radial Front Master Cylinder Aluminum Piston Upgrade

Source: RCLRPT-17V811-5849.PDF

Mandated Torques:Hand Brake Lever Pivot Bolt & Locknut: 5–7 N·m (44–62 in-lb)Master Cylinder Integrated Bleeder Screw: 5–7 N·m (44–62 in-lb)Master Cylinder Handlebar Clamp Screws (2x M6): 8–10 N·m (71–89 in-lb) (tighten top bolt first zero gap)Hydraulic Brake Line Banjo Bolt (M10×1.0): 22–25 N·m (16–18 lb-ft)

Consumable Specs:Castrol DOT 4 Synthetic Brake Fluid2x Pure Copper Banjo Crush WashersSilicone Master Cylinder Assembly Fluid

Genuine Part Numbers:1058444 (Brembo PR16 Hard-Anodized Aluminum Piston & Seal Kit)2B004944 (Aprilia Master Cylinder Overhaul Kit)890825 (Copper Crush Washers M10)

Safety Recall 17V-811 / FMVSS 122RSV4 1000 & Tuono V4 1100