I just got everything back together, all fresh orings and gaskets on coolant system, oil change, carb clean, timing belts and pulleys, checked and reset valves. I had to adjust about half of them, and they were very close at that.
I left all the plugs out and tested compression with choke off (butterflies open) and WOT. I got:
I did a leakdown test on #2 and got a hissing intake valve. That's the youtube link. I had a ~30% loss of pressure on the leakdown tester. I need to recheck tomorrow after work, I only had 60 psi left in my tank and it's 1am... the other tenants in the 4 family apartment aren't happy when I turn it on this late lol. I think the pressure loss may increase with 120 lbs of air.
Piston showed no damage when I looked down through the spark plug hole with a boroscope. Cylinder walls also looked clean.
Worthy of note:
1. My timing was off by a tooth on BOTH sides and the tensioners were equally set way too loose. They both had 1/2" of play instead of about and 1/8" on the side opposite the tensioner. Like the previous 'mechanic' didn't preload the belt when he set the tensioner. And how do you get the timing off, like really. This has got to be the easiest timing belt I have ever done. I can't believe I never checked it, the bike ran the way I thought it did... slow and no nuts. It's the only one I have ever ridden lol. There was no engine noise, I guess one tooth wasn't enough to run the pistons into the valves.
2. The bike has been sitting outside under a tarp for almost a year and half (I know I know... bad me)
Being that it sat for so long, should I just fire this bad boy up and rip around for a while and recheck compression (as I've read by a few members on here while searching the forum) or do I need to address this now?
Leakdown test link:
Thank you guys!!