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If you look at the side of the bike there is a pipe that leads to the exaust pipe. If it is big and bulges out then its a two stroke. if its small and skinny its a four stroke.
you can tell by the name to. if its a YZ250 its a two stroke. If its a YZ250F then its a four stroke.
What else can I help you with?
Is a Yamaha YZ 250 dirt bike a two stroke?
Yes, a YZ 250 is a 2 stroke, a YZ 250F is a 4 stroke.
Is a Yamaha YZ80 a 2 stroke or 4 stroke?
2 stroke
Is a Yamaha BLASTER 2 stroke or 4 stroke?
all Yamaha blasters are two stroke
Are the Yamaha 350 Trials and 250 Trials 4 stroke or 2 stroke?
Current XT and WR models are all 4 strokes. Cross models YZ have engines in 2 and 4 strokes.
Is a 1988 Yamaha warrior a 2 stroke or a four stroke?
4 stroke. A Yamaha Blaster is a two stroke and so is a Yamaha Banshee but not a warrior.
Is a 2004 Yamaha Warrior 350 2 stroke or 4 stroke?
4 stroke
Is the 2000 Yamaha TT-R 90 2 or 4 stroke?
Its a 4-stroke.
Is a 2003 Yamaha warrior 350 2 stroke or 4 stroke?
its a 4 stroke they have always been 4 strokes
Is a 1993 250 trail boss a 2 stroke or a 4 stroke?
2 stroke
Is a Yamaha pw 80 a 2 stroke or a 4 stroke dirt bike?
It's a two stroke
Can 250 2 strokes race with 250 4 strokes?
the 2 stroke is faster
Which is better for racing raptor 250 or 350?
well both are Yamaha but the 250 has a smaller frame and chassis the 350 has more power and a bigger frame and a 6 speed bigger the engine is most the time better for racing and a 2-stroke 250 would be better then a 4 stroke 350
