jettin help please


1 reply to this topic
  • dave-29

Posted July 24, 2005 - 12:31 PM

#1

hi there i have a wr450f i've read about how much more power u get when u re jet them could someone tell me what to get and where from

ho and how to do it cheers

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  • drewpeacock

Posted July 24, 2005 - 12:57 PM

#2

Yamaha parts numbers. Loacated in jetting 'sticky'

MAIN JET

4MX-14943-42-00 .JET, MAIN (#175) AP 1
4MX-14943-40-00 .JET, MAIN (#165) STD 1
4MX-14943-91-00 .JET, MAIN (#168) AP 1
4MX-14943-41-00 .JET, MAIN (#170) AP 1
4MX-14943-92-00 .JET, MAIN (#172) AP 1
4MX-14943-93-00 .JET, MAIN (#178) AP 1
4MX-14943-89-00 .JET, MAIN (#158) AP 1
4MX-14943-39-00 .JET, MAIN (#160) AP 1
4MX-14943-90-00 .JET, MAIN (#162) AP 1
4MX-14943-88-00 .JET, MAIN (#152) AP 1
4MX-14943-38-00 .JET, MAIN (#155) AP 1
PILOT JET
4MX-14948-06-00 .JET, SLOW (#48) AP 1
4MX-14948-04-00 .JET, SLOW (#42) STD 1
4MX-14948-05-00 .JET, SLOW (#45) AP 1
4MX-14948-07-00 .JET, SLOW (#50) AP 1
4MX-14948-01-00 .JET, SLOW (#35) AP 1
4MX-14948-02-00 .JET, SLOW (#38) AP 1
4MX-14948-03-00 .JET, SLOW (#40) AP 1
STARTER JET
3TJ-1494F-13-00 .JET (#65) AP 1
3TJ-1494F-12-00 .JET (#62) AP 1
3TJ-1494F-14-00 .JET (#68) AP 1
3TJ-1494F-15-00 .JET (#70) AP 1
3TJ-1494F-16-00 .JET (#72) STD 1
3TJ-1494F-17-00 .JET (#75) AP 1
3TJ-1494F-20-00 .JET (#82) AP 1
3TJ-1494F-18-00 .JET (#78) AP 1
3TJ-1494F-19-00 .JET (#80) AP 1
MAIN AIR JET
5TA-14943-27-00 .JET, MAIN (#100) 1
5TA-14943-15-00 .JET, MAIN (#70)
PILOT AIR JET
7A9-14943-27-00 JET (#100)
7A9-14943-17-00 JET (#75)
LEAK JET
4JT-1494F-19-00 .JET (#80) AP 1
4JT-1494F-15-00 .JET (#70) STD 1
4JT-1494F-23-00 .JET (#90) AP 1
4JT-1494F-03-00 .JET (#40) AP 1
4JT-1494F-07-00 .JET (#50) AP 1
4JT-1494F-11-00 .JET (#60) AP 1
4JT-1494F-27-00 .JET(#100) AP 1




 
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