ALL BALLS Air Cut-Off Valve Rebuild Kit for YAMAHA YFM 250 BEAR TRACKER 2WD, YFM 350 WARRIOR 2WD, YFM 400 KODIAK 4WD 1988-2004

ALL BALLS offers this carburettor pump repair kit for YAMAHA YFM 250 BEAR TRACKER 2WD, YFM 350 BIG BEAR 4WD, YFM 350 WARRIOR 2WD, YFM 400 KODIAK 4WD 1988-2004. Some carburettors have a small diaphragm pump that corrects the mixture at tricky moments.

Why a repair kit?

The benefits:

• Get back clean pick-up, with no flat spot or stalling when you open the throttle.
• Stop the backfiring in the exhaust when you close the throttle.
• Restore the pump without replacing the whole carburettor.

Why choose ALL BALLS?

Complete All Balls kits: low-friction bearings and steel-spring nitrile seals, everything you need in one box.

When should you replace this part?

A flat spot when you open the throttle, an engine that stalls when the throttle is snapped open, backfiring on deceleration or fuel leaking from the pump cover: the diaphragm needs replacing.

Specifications and fitting tips

• Manufacturer part number: 46-4013

Cross-Mania tip: Note which way round the diaphragm and spring go before dismantling, clean the pump passage with carb cleaner and tighten the cover screws in a cross pattern without pinching the diaphragm.

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
YAMAHA YFM 250 BEAR TRACKER 2WD 2004
YAMAHA YFM 250 BEAR TRACKER 2WD 2003
YAMAHA YFM 250 BEAR TRACKER 2WD 2002
YAMAHA YFM 250 BEAR TRACKER 2WD 2001
YAMAHA YFM 250 BEAR TRACKER 2WD 2000
YAMAHA YFM 250 BEAR TRACKER 2WD 1999
YAMAHA YFM 350 BIG BEAR 4WD 1999
YAMAHA YFM 350 WARRIOR 2WD 2004
YAMAHA YFM 350 WARRIOR 2WD 2003
YAMAHA YFM 350 WARRIOR 2WD 2002
YAMAHA YFM 350 WARRIOR 2WD 2001
YAMAHA YFM 350 WARRIOR 2WD 2000
YAMAHA YFM 350 WARRIOR 2WD 1999
YAMAHA YFM 350 WARRIOR 2WD 1998
YAMAHA YFM 350 WARRIOR 2WD 1997
YAMAHA YFM 350 WARRIOR 2WD 1996
YAMAHA YFM 350 WARRIOR 2WD 1995
YAMAHA YFM 350 WARRIOR 2WD 1994
YAMAHA YFM 350 WARRIOR 2WD 1993
YAMAHA YFM 350 WARRIOR 2WD 1992
YAMAHA YFM 350 WARRIOR 2WD 1991
YAMAHA YFM 350 WARRIOR 2WD 1990
YAMAHA YFM 350 WARRIOR 2WD 1989
YAMAHA YFM 350 WARRIOR 2WD 1988
YAMAHA YFM 400 KODIAK 4WD 1999
YAMAHA YFM 400 KODIAK 4WD 1998