Dedicated Subsystem WorkbenchPlatform Gen: 2003–2026

2025 Honda Ruckus (NPS50) Valve Clearance Specs & Shim Calculator

Cold valve clearance specs for 2025 Honda Ruckus (NPS50): intake mm, exhaust mm, inspection intervals and replacement shim calculator.

Technical PassportOEM VERIFIED

Engine

49cc

Cooling

Liquid-Cooled with Remote Aluminum Radiator & Mechanical Thermostat

Final Drive

Belt Drive

Engine Oil

0.70 L (0.74 US qt) [0.60 L at draining]

Spark Plug

NGK CR8EH-9

Front Tire

120/90-10 66J

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Gen 2003–2026

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2003 through 2026.

Select Model Year:(Active: 2025)
24 Production Years (2003–2026)

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 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 Honda Ruckus (NPS50) 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 #FSB-HON-RUK-01Technical Service Bulletin FSB-HON-RUK-01: GET 49cc V-Matic CVT Variator Roller Wear, Belt Width Limits & Final Drive Gear Oil Service

Source: Honda_Ruckus_NPS50_CVT_Service_Guide.pdf

Mandated Torques:Torque: 38 N·m (28 lb-ft) (Primary Drive Pulley Face Nut)Torque: 38 N·m (28 lb-ft) (Driven Pulley / Clutch Outer Nut)Torque: 24 N·m (18 lb-ft) (Engine Oil Drain Bolt)Torque: 12 N·m (9 lb-ft) (Final Reduction Gear Oil Drain & Check Bolts)

Consumable Specs:Pro Honda GN4 10W-30 Motorcycle OilCVT Pulley Spline High-Temp Moly GreaseClean Shop Towels & Brake Cleaner

Genuine Part Numbers:23100-GEZ-00322123-GET-00022132-GET-000

Honda V-Matic TransmissionRuckus NPS50 GET 49cc