Moturo Carburetor for Yamaha Grizzly YFM 660 Quad ATV

Moturo Carburetor for Yamaha Grizzly YFM 660 Quad ATV 02-08

The Moturo carburetor for your Yamaha Grizzly YFM 660 quad ATV (MY 02-08) — the central fuel supply for your quad. Intake manifold inside approx. 42 mm, air filter mount approx. 62 mm, ready for installation.

The carburetor prepares the fuel-air mixture for the YFM 660 single-cylinder engine and sits between the air filter box and the intake manifold. Intake manifold inside approx. 42 mm, outside diameter approx. 48 mm, air filter mount approx. 62 mm. Shape and function correspond to the original part.

Before ordering, please check the throttle valve diameter, choke mount, and fuel connections against your old carburetor. Replacement takes about an hour with a screwdriver set, a socket wrench for the clamps, and combination pliers for the fuel lines.

Carburetor for the Yamaha Grizzly YFM 660, made by Moturo.

Performance · Material · Specs

• Intake manifold inside approx. 42 mm, outside approx. 48 mm
• Air filter mount outside approx. 62 mm
• Bolt pattern and connections in OE geometry of the YFM 660
• Shape and function in accordance with the original YFM 660 part

Important notes – please read

Component for race and off-road use. No ABE/StVZO approval. Not for public road traffic.

Design fits YFM 660 FWA with model years 2002 to 2008 (model codes FP, FR, FS, FAT, FAHT, FAV). Different model years or tuning setups may require different jetting — compare jets, choke, and connections with the old carburetor before installation.

Tools & Time Required

• Screwdriver set
• Socket wrench for the clamps
• Combination pliers for the fuel lines
• About an hour for an experienced mechanic

Scope of delivery

1 × carburetor, pre-jetted and ready for installation. Not included: fuel lines, clamps, Bowden cable for choke, separate jetting kit, tools.

Frequently Asked Questions

Does the carburetor fit the Grizzly 700 (YFM 700)?
No, different design and jetting. This carburetor is designed for the YFM 660 from model years 2002 to 2008.

Do I need to adjust the jetting?
Compare the jets with your old carburetor before installation. If you have a different exhaust or air filter, an adjustment may be useful.

Is the carburetor road-legal?
No, the item is designed as an off-road part for closed-course use.