Question about 2010 Yamaha yBR 125
I have recently purchased a ybr 125 it has been going great - until now the last couple of weeks - when the revs are low when I am slowing down coming to a junction or traffic lights the bike cuts out - it always starts straight away with the electric starter. I took it back to the garage and they said I had rubbish petrol (or words to that affect) it was ok for a couple of weeks and is now back again (changed where I got the petrol from) - any suggestions it is now out of warranty.
SOURCE: Front sprocket
Hi ........... One tooth less will give you more top speed (if you can pull top revs) but will reduce accelleration. If you go for one tooth less you'll need to tighten the chain and/or remove a link. It's a trade off ............ decide what you want the bike to do.
Posted on Dec 24, 2008
SOURCE: yamaha ybr 125 top speed
Not much to start with here unfortunatly mate. A free flow muffler will help top end speed, change the factory airbox to a K&N style pod air filter, other than that, hugging the tank at top speed :) If you do change these parts, you may also need to increase the main jet size to richen up the mixture for better tuning of the motor with the better flowing parts. This bike has a top speed of 100kmp and produces 10 hp, so you may only expect to get at best less than 1 extra neddy, and perhaps another 5 km/hr.... I suggest upgrading to a bigger machine of you feel the need for speed :)
If its 125's you are into, test drive a Honda CBR 125R 6 speed fuel injected 13.4 horsepower, and good for 120km/hr
Posted on Jul 10, 2009
SOURCE: why does my engine cut off?
Possible reasons are;
Posted on Jan 15, 2010
Could be a bad neutral switch, shorted or mis-connected wiring. This should be covered under warranty by the dealer at NO charge. Hope this helps!
Posted on Sep 19, 2010
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