C'mon, along, help me with this?
R just called and came dropped it off.

A pretty build all by R. BUT... It's been kicking his ass and he wants fresh eyes to take a look.
He was riding one day, the stock TCI gave up one cylinder, choking that side got it home, but next "try to start" blew off a carb. And in spite a of a lot of work, parts, and changes, it hasn't run since.
What i know so far:
After it died he changed out the stock TCI and charging system for a Mikes XS charge and ignition. An OEM advance rod, mikes. advance. weights. ignition coil, etc.
That didn't "fix it", It only blew off a carb, again.
Changed to an Accel coil same result.
Then since he had a head gasket leak anyways, he topped the motor, hone, new rings new exhaust valves, This isn't R's' first XS650 rodeo.
lots of head scratching and trying this and that later, he called in a pinch hitter. Yup Ole GG at bat now.
After couple questions, I ohmed that Accel and yeah primary is .7 ohms, that's a 140401 number not a 140403 so that'll be changed next.
Also; Kicking it through by hand, compression doesn't seem "right" and sounds like I'm hearing air coming back out the intakes.
Bike has battery and electric start (whew)
The sluething will start today, good activity for a winter week eh?

Allison gives r the once over

Great workmanship, tidy, graceful and well thought out, no loose ends.





While Allison was looking it over I pulled the plugs and did the compression, RH 20 psi, left 70, ooch! The plot thickens.
Next up; check cam timing and valve clearances.
R just called and came dropped it off.

A pretty build all by R. BUT... It's been kicking his ass and he wants fresh eyes to take a look.
He was riding one day, the stock TCI gave up one cylinder, choking that side got it home, but next "try to start" blew off a carb. And in spite a of a lot of work, parts, and changes, it hasn't run since.
What i know so far:
After it died he changed out the stock TCI and charging system for a Mikes XS charge and ignition. An OEM advance rod, mikes. advance. weights. ignition coil, etc.
That didn't "fix it", It only blew off a carb, again.
Changed to an Accel coil same result.
Then since he had a head gasket leak anyways, he topped the motor, hone, new rings new exhaust valves, This isn't R's' first XS650 rodeo.
lots of head scratching and trying this and that later, he called in a pinch hitter. Yup Ole GG at bat now.
After couple questions, I ohmed that Accel and yeah primary is .7 ohms, that's a 140401 number not a 140403 so that'll be changed next.
Also; Kicking it through by hand, compression doesn't seem "right" and sounds like I'm hearing air coming back out the intakes.
Bike has battery and electric start (whew)
The sluething will start today, good activity for a winter week eh?

Allison gives r the once over

Great workmanship, tidy, graceful and well thought out, no loose ends.





While Allison was looking it over I pulled the plugs and did the compression, RH 20 psi, left 70, ooch! The plot thickens.
Next up; check cam timing and valve clearances.
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