TOURMAX Carburetor Pump Diaphragm Set for YAMAHA YFZ 450, YZF 426, YZF 450 and HONDA CRF 250, CRF 250 X, CRF 450 2001-2013

TOURMAX offers this carburettor pump repair kit for YAMAHA YFZ 450, YZF 426, YZF 450 and HONDA CRF 250, CRF 250 X, CRF 450 2001-2013. 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 TOURMAX?

Tourmax has its parts made in Japan by suppliers to the major Japanese manufacturers, at OEM quality level according to the brand.

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

• Contents: Diaphragm (std. size), Rod, Spring, O-ring(s)
• Manufacturer part number: ACK-901

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:
HONDA CRF 250 2004
HONDA CRF 250 X 2006
HONDA CRF 250 X 2005
HONDA CRF 250 X 2004
HONDA CRF 450 2002
YAMAHA YFZ 450 2013
YAMAHA YFZ 450 2012
YAMAHA YFZ 450 2009
YAMAHA YFZ 450 2008
YAMAHA YFZ 450 2007
YAMAHA YFZ 450 2006
YAMAHA YFZ 450 2005
YAMAHA YFZ 450 2004
YAMAHA YZF 426 2002
YAMAHA YZF 426 2001
YAMAHA YZF 450 2008
YAMAHA YZF 450 2007
YAMAHA YZF 450 2006
YAMAHA YZF 450 2005
YAMAHA YZF 450 2004
YAMAHA YZF 450 2003