Ok, that makes more sense. I wasn't putting the o-ring inside the bore, just outside of it Lets see what happens today...
Thanks

No, no powder anywhere near the bore. Maybe the clip is not in the correct groove...I'll try again.
Thanks

I just received my clutch and brake master cylinder kits from Bevel Heaven. They are identical to the parts in my reservoirs, but I've run into a problem. I disassembled the reservoirs 2 months ago for powder coating; assembly is pretty straight forward, but something is wrong! The pistons slide rig...

Well, I got a hold of the seller and explained to him the issue of Paso stock, high-comp pistons vs. aftermarket stock bore higher-comp pistons. He came back saying Paso's came with flat topped pistons as stock, with a 9:1 CR, and aftermarkets for it are domed with 10.5:1 CR. This is coming from a w...

I'm a bit confused. The Paso 750 manual claims a CR of 10:1; is this correct? At several sites I've seen specs as low as 9.3:1 for the Paso 750/ F1 750, and 9.5:1 for the 750SS of the same years. If the posts on this site are correct, then the Paso/F1 have the higher (10:1) CR and the SS/M, lower CR...

Thanx for the tips, fellas'!! I'll report back...

Yeah, waiting on replies from one other source. So far three other sources have been no-go for the parts I need. As for the cam pulley tool, anywhere I can find it for less than the $80 most places want for it?

Rick

Not sure of the compression, but the dome on the new hi-comp pistons is much bigger than on stock pistons I've seen. (Ebay has a couple of photos of stock and hi-comp pistons for comparison) At this point I'd love to bore out the cylinders and go with some 90mm pistons, but can't justify the expense...

Arrrgh!!!! The dissassembly went without a hitch, but, SURPRISE!!, I think the previous owner had already put hi-comp pistons in! The pistons I pulled out are identical to the hi-comps I ordered, and even have the same markings underneath: 09 3528.
Can this be possible?

Rick

I might drop the hi-comp pistons in the Paso as long as I don't have to battle too many variables along the way. I have the plastic all off to replace a dead fuel pump, so I might as well do somthing else while there. Besides replacing the timing belts and adjusting valve clearances, and head, valve...

I purchased a set of hi-comp 88mm pistons for my Paso, and although looking forward to getting work done right away, I would like some suggestions on what to do while I have the engine apart. The bike runs like a dream with the Weber setup, and it has less than 15k on the clock, so lower end work sh...

Can I be the only Paso owner looking for a replacement rear mud guard (fender; part the licence plate attaches to)?
I have scoured Ebay and other places, but I cannot find a used fender...
Anyone out there have an old one lying around?!
Rick

I work in the service department at the local Hon/Kaw/Suz/Yam dealer, and very few european bikes come in for service. Last month I had 5 Ducs come in for service within a 3 week span and I became concerned about the amount of mechanical noise coming from these engines, primarily the clutch. The rat...

Well, the fuel starvation fiasco is over! I’m not certain if it was one, single item that caused my problems, or a combination of parts that weren’t working together as they should. The biggest problem I found was that the vent and fuel return tubes under the tank had different flow qualities whenev...

I agree on the fuel starvation. My plan is to plug the fuel return line and test ride. If it runs without stalling then I might put the restrictor jet on the tee and test again with the line back in place. I'm also suspecting that 4 fuel filters could be affecting flow as well, so the clear filter w...