Question about 2006 Yamaha Ybr 125
Posted by Anonymous on
SOURCE: WILL NOT REV
hi mate it sounds mechanical side instead of electrical have you changed the air filter or cleaned it also check to make sure the oil and petrol are being mixed correctly and check the air screw on the carb is the right amount off turns out if its incorrect it will either be to rich or to lean it normally says the amount of turns in the manual also check to make sure the jets are clear and the reed valve is closing propally many thanks
Posted on Apr 03, 2009
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
There are two places where gearbox oil can leak into the combustion process: from the gasket between the two engine case halves, or from the crank seal on the right hand end of the crankshaft. The most likely culprit is the crankshaft seal.
Posted on Nov 15, 2009
SOURCE: 2008 Yamaha YBR 125 Custom. Does
I would start with pulling the carbs, and cleaning the jets. run a wire from a wire blush , so you dont damage them, thru them, with some carb cleaner. should be fine after that. pull the jets and clean then, dont just spray carb cleaner thru them.
Posted on Mar 14, 2011
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