Dedicated Subsystem WorkbenchPlatform Gen: 2020–2026

2025 Aprilia RS 660 / Extrema / Limited Edition Throttle Body Synchronization & Fuel Delivery

Multi-cylinder vacuum sync specs, idle speed, EFI high-pressure fuel rail PSI, and injector resistance multimeter bench for 2025 Aprilia RS 660 / Extrema / Limited Edition.

Technical PassportOEM VERIFIED

Engine

659cc

Cooling

Liquid-Cooled

Final Drive

520 Chain

Engine Oil

2.70 L (2.85 US qt)

Spark Plug

NGK MR9DE-9

Front Tire

120/70 ZR17 (Pirelli Diablo Rosso Corsa II)

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Gen 2020–2026

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2020 through 2026.

Select Model Year:(Active: 2025)
7 Production Years (2020–2026)

2020 2021 2022 2023 2024 2025 2026

Suggested Items4 Verified Workshop Consumables Available for this Job

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Official NHTSA Safety Recalls & Technical Bulletins

0 Open Campaigns (Clean)

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

Verify VIN on NHTSA.gov

No Active Federal Safety Recalls Reported

The U.S. DOT National Highway Traffic Safety Administration (NHTSA) records zero open safety recall campaigns for the 2025 Aprilia RS 660 / Extrema / Limited Edition platform. Always check your individual 17-digit VIN at an authorized dealership or via NHTSA.gov for individual recall completions.

OEM Workshop Archives

Official Factory Service Bulletins & Field Updates

1 Documented Bulletin

Bulletin #PA2ZZQ2107Safety Recall 21V-502 / PA2ZZQ2107: RS 660 & Tuono 660 Connecting Rod Breakage -> Complete Crated Engine Replacement

Source: RCRIT-21V502-0825.pdf

Mandated Torques:Engine Pinion / Countershaft Sprocket Screw (B043047): 50 N·m (37 lb-ft) (Loctite 243)Exhaust Manifold Flange Nuts (4x M8): 20 N·m (14.7 lb-ft) (new gaskets 852090)Engine Oil Drain Plug (831393): 25 N·m (18.5 lb-ft) (new crush washer)Coolant Discharge / Drain Screw (847239): 12 N·m (106 in-lb)Front & Rear Engine Hanger Frame Bolts (M10): 50 N·m (37 lb-ft)

Consumable Specs:Castrol POWER1 ULTIMATE 4T 10W-50 Synthetic Motorcycle Engine Oil (2.70 L)Castrol Radicool / ENI Antifreeze Spezial OAT Organic Coolant (1.80 L)Loctite 243 Medium-Strength Threadlocker2x Exhaust Header Gaskets (852090)

Genuine Part Numbers:CM2966115 (Factory Crated Replacement 659cc Long-Block Engine)1L006293C (Engine Replacement Installation Hardware & Gasket Kit)B043047 (Countershaft Sprocket Retaining Screw M10x1.25)852090 (Exhaust Manifold Header Gasket)

Safety Recall 21V-502 / PA2ZZQ2107Noale 660 Twin Platform