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Just got in from test ride on the r90. Jean was wright, a stretched timing chain. With new chain and tentioner. Everything is as is should be. Thanks again for all who contributed

Jean, the bike ran the same slightly better maybe. I probably didn't replace the capacitor but I will. I've already removed timing chain cover and have ordered new chain and tentioner from ReCycle. It wasn't all that expensive. We will see what happins

Ken, the old points were removed 2 yrs ago, the new points are fine. To get the timing close enough to run well it has to be retarded to the max.

The points I have now look just like the points I took out.
TDC verified, yes.

Tim, with s mark at the line and baseplate turned clockwise to the max the light is on. With s mark on the line the light stays on at any position. I whent ahead and removed timing chain cover to check the timing marks they appear to be matched. I'm thinkin Ill replace timing chain and go from there...

How about 0.38mm?

Jean, I got my base plate at the midway point of adjustment. My points were set when at a high point on the shaft lobe at 38mm. Ignition on, rotate engine at rotor in clockwise direction the test light comes on just as the F dot mark appears

Yes sir that's .016 point gap. Third edition third printing July 2006

Also the points were at 16 and I'm using a clymer manual

I got it wrong on the last post, the base plate was rotated clockwise to the max