Questions & Answers for: Yamaha YZ 125 drag bike

oil is a grey colour in the engine of my yz 125 2001 How easy it it to fix and what needs to be done? Your bike is water cooled. Some of that water is leaking into the gear box. The cylinder gasket is

How do you know you should go with a bigger main jet? What exactly would it do for my 2001 YZ 125? a bigger main jet will make the bike run richer which means more gas. unless you have changed ...

my bike is backfiring what could be my problem my bike is a yz 125 94... my bike is backfiring when im trying to start it what could my problem be?? timing try richening up the fuel mixture, it could ...

...causing the clutch to drag. Usually the plates need to be replaced when this happens. NEVER use synthetics in your bike. 10w40 motor oil is what should be in the engine. Please rate my answer.

...in gear and the clutch is pulled in. Got any suggestions Clutch drag. or brakes binding . all of them do it they dont roll in gear at all rrealy unless iif the bike has been running for a good ...

Yamaha 125 TT wont start My son got this dirt bike used right after his father passed away for his birthday. He rode the bike twice we bought it used. Everything was supposedly redone on the bike when

pilot screw setting. ive fitted a new pilot screw (or air screw) on the carb of a yz85 2005 what is the correct setting for it starting from being screwed right in as far as it will go.i do understand

HOSES ON CARBERATOR I took the hose's off the bike 1999 yz 125 yamaha dirt bike when I painted it now I don't know how they go back The link below has exploded views of the bike in segments. Parts are

why do i have to be rolling to put my bike in first? if i am not it stalls The clutch is dragging, you have to adjust the clutch cable so the clutch is not engaging when you pull the lever. Could also