That is what you should use. I recommend you use synthetic oil in this air cooled engine.
No. The Yamaha YBR 125 has a four-stroke engine.
1982 is the year and it is a Yamaha yz 125
Motor oil
10w 40
Do you mean as a replacement? If so, the answer is yes with no modifications.
3xj-091065
THAT WOULD BE A yz125u 1988
Fully Synthetic 10W 40 or 5W 40
yes it will, they are the same bikes exept for some few details and the engine, you would also need to swap the chain and sprockets
4PE-900112 is 1995 year
How much oil does a 2001 Yamaha TTR 125 hold? How much oil does a 2001 Yamaha TTR 125 hold? How much oil does a 2001 Yamaha TTR 125 hold?
yamaha xt 125 doesn't have oil filter.