It should do around 60 mph on hard pack conditions the ss models might get 70 to 75 mph out of them still pretty good for 377 cc..
does a 1981 ski-doo citation 4500 377cc have a govenor
check your points.
.020
Certainly, if you have the mechanical engineering skill.
Under the recoil and flywheel.
Its Either 40:1 or 50:1 but you should consult your local Ski-Doo dealer just to be sure
Ski doo Yamaha has nothing on ski doo
30 mph
what the last guy said was wrong! i have a 1980 ski-doo citation 4500 with an 82 motor and it is a pre-mix! you need to mix gas with the oil. i and the dealerships suggest 32 parts gas to 1 part oil, or 32:1!
105-110
105-110mph
1974 and later models 50:1 according to the manual I'm looking at.