Dedicated Subsystem WorkbenchPlatform Gen: 2003–2026

2011 Honda Ruckus (NPS50) Charging System, Stator AC Output & Battery Health

Stator 3-phase AC voltage at 5,000 RPM, coil resistance, regulated DC voltage, battery code YTZ7S, CCA rating, and multimeter charging diagnostic steps for 2011 Honda Ruckus (NPS50).

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: 2011)
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 Items3 Verified Workshop Consumables Available for this Job

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3-Phase Charging System & Battery Diagnostic Flowchart

Yuasa & OEM Standards

Multimeter troubleshooting protocols, cold cranking amps (CCA) ratings, 3-phase stator AC outputs, and regulator-rectifier health verification.

Shop YTZ7S Batteries

OEM Battery Code

YTZ7S

Cold Cranking Rating

Not Available

Capacity (10HR Rate)

Not Available

Regulated Output Spec

Key-OFF Parasitic Limit

Enter Multimeter DC Voltage Reading

V DC

Multimeter Test Diagnosis

Enter your multimeter terminal reading on the left to view instant diagnostic interpretations and recommended workshop actions.

OEM Factory AGM BatteryOEM Replacement

Dimensions: • Weight: Not Available. Pre-filled absorbed glass mat technology engineered for heavy vibration resistance.

Lithium LiFePO4 UpgradeUp to 70% Lighter

Features built-in RE-START jump starting reserve. Never stranded by dead lights: press the restart button on the top terminal to crank the motorcycle without jumper cables.

Smart Maintainer SpecBattery Life Extension

Standard Charge Rate: . Automated desulfation & float maintenance ensures full capacity retention during off-season winter storage.

Recommended Parts: •

Shop Smart Battery Chargers Find Direct-Fit Batteries

Honda Diagnostic Fault Codes & Multimeter Bench Testing

FI & OBD2 Decoder

Authentic factory ECU fault codes, sensor resistance specifications, and harness pinout troubleshooting.

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Code 1 BlinkManifold Absolute Pressure (MAP)

MAP sensor circuit low or high voltage (< 0.15V or > 4.95V).

Test: 5.0V reference from ECM; 2.7-3.1V at sea level ambient.

Code 7 BlinksEngine Coolant Temp (ECT)

ECT sensor circuit open or shorted to ground.

Test: 2.3-2.6 kΩ at 20°C (68°F); drops to 200-400 Ω at 80°C (176°F).

Code 21 BlinksOxygen Sensor (O2)

O2 sensor heater or voltage circuit malfunction.

Test: Measure heater element pins: 10-16 Ω at 20°C.

Looking for other error codes, sensor pinouts, or OBD2/Euro 5 codes?

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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 2011 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