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ALL BALLS offers this carburettor adjusting screw for YAMAHA YFB 250 TIMBERWOLF 2WD, YFM 125 GRIZZLY 2WD, YFM 250 MOTO 4 2WD 1989-2013. The carburettor meters the air-fuel mixture. The fuel (mixture) screw and the idle screw let you adjust the mixture and the idle speed.
The benefits:
Complete All Balls kits: low-friction bearings and steel-spring nitrile seals, everything you need in one box.
A mixture that is too lean makes the engine run hot and can seize it.
Cross-Mania tip: Note the number of turns of the original screw before removing it and start again from that setting.
Check the exact model and year of your bike in the list below before ordering.
Fits:
YAMAHA YFB 250 TIMBERWOLF 2WD 1998
YAMAHA YFB 250 TIMBERWOLF 2WD 1997
YAMAHA YFB 250 TIMBERWOLF 2WD 1996
YAMAHA YFB 250 TIMBERWOLF 2WD 1995
YAMAHA YFB 250 TIMBERWOLF 2WD 1994
YAMAHA YFB 250 TIMBERWOLF 2WD 1993
YAMAHA YFB 250 TIMBERWOLF 2WD 1992
YAMAHA YFM 125 GRIZZLY 2WD 2013
YAMAHA YFM 125 GRIZZLY 2WD 2012
YAMAHA YFM 125 GRIZZLY 2WD 2011
YAMAHA YFM 125 GRIZZLY 2WD 2010
YAMAHA YFM 125 GRIZZLY 2WD 2009
YAMAHA YFM 125 GRIZZLY 2WD 2008
YAMAHA YFM 125 GRIZZLY 2WD 2007
YAMAHA YFM 125 GRIZZLY 2WD 2006
YAMAHA YFM 125 GRIZZLY 2WD 2005
YAMAHA YFM 125 GRIZZLY 2WD 2004
YAMAHA YFM 250 MOTO 4 2WD 1990
YAMAHA YFM 250 MOTO 4 2WD 1989
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