2.16 oz my ttr 125 takes 900mls to 1 litre
when the ttr 90 is flipped over oil pours into the airbox.
a ttr 90 goes about 35 to 40mph.
Rear main valve seal
yes if it is 4stroke witch i think ttr 90 is! use good type of gas, you have separate place for engine oil, but with 2stroke engines you have to mix gas and oil together.
20W-40 is best - Yamalube
I believe it's 20W 40, if this helps.
The precise type of oil that a Yamaha TTR 90 dirt bike should use can depend on the year the bike had been manufactured ad should be listed in the manual for the bike. For a 2002 Yamaha TTR 90 bike, the recommended oil type is 10W-30 (when 10 degrees Fahrenheit or above) and 20W-40 (when 40 degrees Fahrenheit or above).
TTR 110 Or a ttr 90 , The ttr 110 has a 26 inch seat while the ttr 90 has a 24 inch seat
10w 40, I use vavoline for all of my bikes
yes, i think it will even fit on a ttr 90.
45 to 50mp