westewoo

hi . can anyone tell me the stock jet sizes for a 1990 mach 1 with a 643 engine and mikuni vm 44 carbs. i have been told that there is a 340 on the mag side and a 360 on the pto, and the pilot is 159, but im trying to find out what this 159 coverts to in the mikuni guide. eg size 27.5, or 30. or 35 ect. thanks. steve

smallengineguy

www.hlsm.com is an online micro that will tell you.

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1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month! (Lost in fire 4-7-13)
1992 Ski Doo Mach 1 original
2006 Ski Doo MXZ 500SS
1999 Ski Doo Grand Touring

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westewoo

thanks for the link. i found what i needed.