Moturo alternator for Yamaha YFM 660 Grizzly

Moturo Alternator for Yamaha YFM 660 Grizzly 02-04

The Moturo alternator for your Yamaha YFM 660 Grizzly 02-04 (RP, FWA FP, RR, RRER, RS) — stator, wiring harness, and pickup as a complete unit, ready for installation.

The alternator is located in the engine housing and supplies the electrical system and ignition with power. The stator, wiring harness, and pickup form a complete unit, designed for the YFM 660 Grizzly model years 2002 to 2004. Tightening torques and routing follow the YFM 660 workshop manual.

A defective stator often manifests as misfires, weak electrical system voltage, or starting problems. Testing the installed component is complex; often, only a complete replacement of the unit with tested original equipment quality helps.

Replacement takes about an hour with a hex key set and torque wrench.

Alternator for the quad, made by Moturo.

Performance · Material · Specs

• Complete unit consisting of stator, wiring harness, and pickup
• Perfect fit for the Grizzly model years 2002 to 2004
• Tightening torques according to the YFM 660 workshop manual

Important notes – please read

Original spare part design, no separate ABE (general operating permit) required. Before ordering, compare the connector pattern and windings with the component on your quad — different stator variants from other models will not fit.

Tools & Time Required

• Hex key set in common sizes
• Torque wrench
• Approximately one hour for an experienced mechanic

Scope of delivery

1 × Alternator consisting of stator, wiring harness, and pickup. Not included: alternator cover gasket, tools, engine oil.

Frequently Asked Questions

Does the alternator fit the Grizzly 700 from model year 2007 onwards?
No, the Grizzly 700 has a different stator geometry and a different connector.

How do I know if the stator is dead?
Typical signs are misfires when the engine is warm, weak charging voltage at the battery, or starting problems after the vehicle has been sitting for a long time.

Do I need new engine oil for the replacement?
Yes, oil will leak out when opening the alternator cover; filling quantity and type can be found in the workshop manual.