A forum for owners of Yamaha TTR250 trail and enduro bikes!

Rger8 · Member

Pumper carb?

petenz · Super Guru

A pumper carb gives a small squirt of fuel down the intake track when you open the throttle..

so the motor responds quicker...

TT-R250M · Super Guru

petenz wrote:
A pumper carb gives a small squirt of fuel down the intake track when you open the throttle..
so the motor responds quicker...

+1

It also solves the lean problem that other carb's without an AP suffer when cracking the throttle open fast.

To answer your first question- yes, the TTR250 has a Accelerator pump.

See here for more info- http://ttr250.activeboard.com/t54826695/carb-cleaning-question/

Jarrah

Rger8 · Member

Great, thanks for the feedback, nice to know and another plus for the TTR 250! I need to give this bike a real test. I will be comparing to my 1994 DR 350. I loved that bike, ( got destroyed in an accident ) but I'm interested on how this bike will tackle things. I know power won't be the same but from what little I have ridden it the flickability and weight savings seem much better, hopefully a higher fun factor!

Thanks!