Dedicated Subsystem WorkbenchPlatform Gen: 2021–2026

2023 Yamaha MT-09 Suspension Hydraulics, Fork Fluids & Sag Tuner

Front fork travel, rear shock travel, spring preload, damping click baselines, and dynamic rider sag calculator for 2023 Yamaha MT-09.

Technical PassportOEM VERIFIED

Engine

890cc

Cooling

Liquid-Cooled

Final Drive

525 Chain

Engine Oil

3.40 L (3.60 US qt)

Spark Plug

NGK CPR9EA-9

Front Tire

120/70ZR17

Gen 2021–2026

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2021 through 2026.

SPECS-TO-CART BUNDLESFactory Direct-Fit Maintenance Bundles Available

1-Click verified Motul engine oil service kits, race filters, spark plugs, and brake fluid pre-measured for this 2023 Yamaha MT-09.

Configure Service Bundles→

Select Model Year:(Active: 2023)
6 Production Years (2021–2026)

2021 2022 2023 2024 2025 2026

Suggested Items4 Verified Workshop Consumables Available for this Job

View Suggested Items ↓

Suspension Hydraulics, Fork Fluids & Interactive Sag Tuner

Showa • KYB • WP Standards

OEM hydraulic capacities, air-gap measurement standards, clicker baselines, and mathematical rider sag tuning.

Shop Fork Seals & Wipers

Fork Architecture

Inverted USD Cartridge (41mm KYB Fully Adjustable)

Oil Volume Per Leg

505 ml (17.1 US fl oz) per leg

OEM Fluid Specification

Yamaha Suspension Oil 01 (KYB 01M / SAE 5W)

Air-Gap Spec (Oil Level)

142 mm (5.59 in) compressed, spring removed

Fork Seal Dimensions

41 x 53 x 8/10.5 mm

Total Suspension Travel

Front: 130 mm • Rear: 122 mm

Target Rider Sag: 33 - 39 mm (25 - 30% of 130 mm travel)

Front Preload Baseline

2 turns in from full soft

Rebound Damping Baseline

11 clicks out from full stiff

Compression Damping Baseline

12 clicks out from full stiff

Target Free Sag (Unladen)

20 - 25 mm

Enter 3-Point Sag Measurements (mm)

L1: Extended

L2: Static Bike

L3: In Full Gear

Suspension Sag Diagnosis & Geometry Status

Enter your extended, static, and rider measurements on the left (or select a preset) to compute exact sag percentages and spring preload recommendations.

Factory Fluid StandardDirect Spec

Maxima Racing Fork Fluid 5W (1 Liter)

Formulated with anti-foam agents and shear-stable viscosity index improvers to prevent damping fade under aggressive riding heat.

Fork & Dust Seal KitExact Stanchion Fit

All Balls Racing 41mm Fork & Dust Seal Kit

Features directional triple-lip rubber seal profile and external garter springs engineered to withstand heavy stanchion flex without weeping.

Air-Gap Tuning PhysicsBottoming Control

142 mm (5.59 in) compressed, spring removed

Trapped air column acts as a progressive spring in final 30% of stroke. Adding +5mm oil increases bottoming resistance without stiffening small bump compliance.

Recommended Maintenance Parts: Maxima Racing Fork Fluid 5W (1 Liter) • All Balls Racing 41mm Fork & Dust Seal Kit

Shop Fork Fluids Find Direct-Fit Fork Seals

Official NHTSA Safety Recalls & Technical Bulletins

2 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 2 safety recall campaigns associated with this platform. Independent repair shops and riders should confirm that authorized dealership warranty remedies have been applied.

NHTSA #25V248000VEHICLE SPEED CONTROL:THROTTLE:THROTTLE POSITION SENSOR (TPS)

Received: 16/04/2025▼

Defect Description

Pure Sports Distributing Inc. (Yamaha of Hawaii) is recalling certain 2022 MT-09 Tracer GT, 2021-2025 MT-09 SP, 2021-2025 MT-09, 2022-2023 and 2025 MT-10 SP, 2022-2024 MT-10 and 2022-2024 XSR900 motorcycles. The brushes inside the Throttle Position Sensor (TPS) may slide excessively due to improper ECU programming, possibly causing unstable idling or an engine stall.

Safety Hazard / Consequence

Unstable idling or an engine stall can lead to loss of control of the motorcycle, increasing the risk of an injury or crash.

Factory Remedy & Repair Action

Dealers will reprogram the engine control unit (ECU) software and replace the TPS, free of charge. Owner notification letters were mailed on May 6, 2025. Owners may contact Yamaha of Hawaii customer service at 1-808-498-8248.

Manufacturer Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1- 888-275-9171), or go to www.nhtsa.gov.

NHTSA #22V130000DO NOT OPERATE / PARK OUTSIDEENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

Received: 07/03/2022▼

OEM Workshop Archives

Official Factory Service Bulletins & Field Updates

2 Documented Bulletins

Bulletin #YAM-15V176Safety Recall 15V-176: FZ-09 / MT-09 / YZF-R6 Shift Cam Segment Stopper & Shift Shaft Assembly

Source: Yamaha_FZ09_MT09_R6_Recall_ShiftCamStopper.pdf

Mandated Torques:Hand-Tool Torque Mandate: Air tools strictly forbidden on YZF-R6 slipper clutch boss nut to prevent mainshaft thread strippingBlue Paint Identification Dot on shift shaft end denotes campaign completion

Consumable Specs:Yamalube 4T Engine OilLithium Soap-Based Grease for Oil Seal Lips

Genuine Part Numbers:90891-10251-001RC-18101-01-001RC-15461-00-0090891-10254-002C0-18101-02-002C0-15461-01-00

Transmission MechanismExploded View: Shift Cam Segment Stopper & Shift Shaft (Safety Recall 15V-176)

Sharp Notch vs. Smooth Radius Defect • Blue Paint Identification Dot

Click any component or inspection mark to view recall remedy specifications.

Inspection TargetRecall 15V-176

Shift Cam Segment Stopper (Sharp vs. Smooth Bend)

Kit # 90891-10251-00 (FZ09) / 90891-10254-00 (R6)

Mechanical Engineering Status:RECALL 15V-176 DEFECT LOCUS

CRITICAL RECALL DEFECT: The original factory stopper arm was stamped with an acute sharp internal notch at the bend. Under rapid gear shifts, cyclic fatigue caused catastrophic fracture at the notch. The countermeasure part features an engineered smooth radial bend that distributes stress evenly.

Interactive Assembly Nodes:

Bulletin #YAM-22V130Bulletin M2022-006R / Campaign 990158: MT-09 / Tracer 9 GT ECU Throttle Calibration & Stall Reprogramming

Source: Yamaha_MT09_Tracer9GT_Recall990158_M2022_006R_ECU.pdf

Mandated Torques:Diagnostic Communication: YDS (Yamaha Diagnostic System) high-speed CAN reflash procedureBattery Voltage Gate: Maintain constant 12.6V+ using battery tender during ECU flash

Consumable Specs:Yamaha YDS Diagnostic Interface SoftwareFactory Calibration Rom File

Genuine Part Numbers:B7N-8591A-11B7N-8591A-61BAM-8591A-11BAP-8591A-11BAP-8591A-61