2013年10月5日 · Here are some photos of my 1980 YZ250. Also I did a compression test today and hoping I got a good seal my reading was 126psi. Is that okay or signs of a top end needing replaced?

2021年2月16日 · 1982 YZ250 After Hannah broke his leg at the end of the 1979 season, Mike Bell won his lone Supercross title in 1980, Broc Glover raced and won on the 250 from time to time, although he was more closely associated with the YZ125 and YZ490.

2021年2月24日 · I am busy restoring a 1982 Yamaha YZ250 (J) and struggling to figure out exactly how the cooling system must be put back together. Any advice on the seals and hosing that runs through the neck will be appreciated. Thanx.

2007年1月26日 · Hi, i just got a 1982 yz250, and the engine looks pretty good, but does not start. i tried to kick start it n heard water in the exhuast. i emptied out the exhuast sprayed carb cleaner in the piston and spark hole. looked in the hole the piston looked fine it didnt have any rust. I …

2011年12月17日 · it depends, If the bottom end of motor is toast, it adds up quickly. Plastic kits are gonna run you $200, chain and sprockets $125,tires $100. Add that to maybe $500 in motor work and your probably better off buying a newer running bike. Do a list and be realistic,therein lies your answer

2023年2月8日 · I'm putting together a 1982 YZ250 that has the cooling system that runs through the frame. When I bought it, the frame was bypassed with hoses running along the outside of the frame. What's the best way to clean the frame out? I was a mechanic at a Yamaha dealer in the mid 80's and we used to hav...

2021年5月8日 · Hello all! Long time lurker, first time poster. I have been working on my project 1982 YZ 250J for well over a year now and have come to the point where I need to put it back together and I am missing a few cruicial bits of information. I have to start off with the fact that when I acquired the b...

2008年3月27日 · I had an 83 yz125 and a buddy of mine had the 82 yz250. The monoshock with similar linkage was the same for 83 as well. The 83 models were good bikes, pretty stable at speed, had bounchy suspension tho...and the yamahop was REAL.

2020年4月10日 · I have a 1982 yz250 engine inside a 98 blaster, and it has a oversized cylinder. I am having trouble finding out what size rings to get for it, as the previous owner decided to put standard size rings on a oversized piston/cylinder. Thing had no compression but still ran if you bump started it. A...

2018年1月10日 · Hi all, I'm stuck on knocking the races out of the 1982 YZ250J as it has a very unique design - coolant runs through the frame and sealed by two seals (pain in the arse ) Anyone knows a good way to knock these races out?