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Does not come with jet wrench
The 39mm Keihin PWK offers more top end over a 38mm If you hate to jet and rejet this is the carburator for you, ESR pre-jets the unit for you!
Comes complete with 5 extra main jets and works jet wrench
**Note**
These will not just bolt on, you will also need an UPP intake manifold , or machining and throttle cable,
MACHINING CAN BE DONE TO FIT INTO THE OEM INTAKE MANIFOLD
MACHINING CAN BE DONE TO THE BELL OF THE CARB. TO FIT THE OEM AIR BOX
UPP INTAKE MANIFOLD DOES NOT NEED MACHINING WORKS GOOD WITH 38,39,41.2 CARBS.
HERE ARE THE JETTING OPTIONS COME WITH 5 MAIN JETS AND
250CC 275CC JETS 160,165,168,170,172 175 IN CARB. LOW SPEED 48 DGH NEEDLE 4TH GROOVE
290CC 330CC JETS 168,170,172,175,178 180 IN CARB. LOW SPEED 48 DGH NEEDLE 4TH GROOVE
350CC 430CC JETS 175,178,182,185,190 195 IN CARB. LOW SPEED 48 DGH NEEDLE 4TH GROOVE
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