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Posted by Varooom
- June 06, 2010, 16:20:24 PMHuck,
You should be using 91 or higher octane due to the elevated compression of the 1999's engine. Kawasaki warns of damage if you don't and it's pennies to go up.
Also, many of us have found that the original clutch design of the 1999 year Drifters allowed a LOT of slippage, lowering mileage and requiring rebuild with new parts and modifications. Take it out and get it up to 60 mph in 5th gear. Then crank the throttle. If the engine revs and you hardly accelerate, you've got the problem and need a clutch rebuild. Don't let a dealer use the original spring; go to the section in here under Mods and study how to rebuild it.
The mileage you quote is quite a bit lower than I had (40) before my rebuild. Do you drive it like a hot rod? Aggressively?
Varooom
Posted by huck
- June 06, 2010, 16:05:01 PMHi, i have a question? last yr i was getting between 45 and 49 mpg on hwy with my 99 drifter. i stored my bike last winter at the same place ive stored it since i got it. so far this spring and summer im only averaging around 27 30 mpg. was woundering if anyone had any ideas of what going on. i get better mileage when i use shell gas almost 35 and that just the 87 octain. any sugestions and help would be greatly apreicated. planning a road trip to vegas this summer, and the more money i spend on gas means less money to have fun with lol. thanks alot. huck