it would have to be the Yamaha ttr 90
Yamaha TTR 125
Probably a yamaha ttr 110
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).
35 miles per hour.
recreationbefore you read this I'm going to let you know that i have a ttr Yamaha 125cc. you there is no Purpose of a dirt bike but for riding in dirt. people buy dirt bikes to ride on trails and Motocross's. they make different bikes like Yamaha, kawaski, honda, ttr. they are vary fun to ride.follow me on youtube at myfriendfull123
You really can't, the model hadn't changed much in those years. Just a 50cc four-stroke Yamaha dirt-bike.
Yamaha made the first Yamaha dirt bike
You need to be a little more specific, but here they are 09 Yamaha YZ 125: $5799 09 TTR 125 LE: $2999 09 TTR 125 E: $2699
terain trail racer
the best 125 4 stroke is the suzuki drz 125 l but if its for a starter bike yamaha ttr 125