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My 77'D has a fresh rebuild from previous owner. When I got it all I had left was tuning carbs, paint and few miscellaneous things to finish. While getting help from members here about my carb issues it soon lead me to check my compression. It was off the chart at 240 psi both sides. I had no...

Can anyone from the Portland OR area recommend a machine shop to mill some pistons? SE area preferred but will look at any. I need to bring my compression ratio down a bit. Thanks

Trying to dial in carbs using dead cylinder method. For some reason the right carb seems to not cooperate. Background: this is a rebuilt engine with Mikuni VM34-168 carbs (using remote fuel bottle) When I started tuning carbs the bike idled good, but was smoky appeared super rich. Checked the...

I know this has been discussed in a few other threads I found, but haven't found the specific info I'm looking for. Everything on my 77' 650 D is practically new or rebuilt. The one thing I was missing was the front dual rotors. Found some at the local bike scrap yard but didn't know each...

Need to replace float bowls- Picked up a bike with Mikuni carbs that have Glass float bowls. My guess is maybe they were used as some sort of dealer show and tell thing. Anyway the float guide post that is a molded part of the float bowl are bent. This does not allow the floats to move up and...

Have 77' xs650, the tank has mounting holes for emblem. When I search the web to see what the emblem looks like so I can replace them, all I get is graphic stickers like these- http://www.reproductiondecals.com/default_frameset.html?yam_2.html~main...