the ss90 cylinder has the outer diameter of the 50cc cylinders, and the length of the 125cc cylinders. therefor, 125cc cylinders will not fit under the ss90...
In the event any of you guys have been trying to reach me, here is my email address: tnscoots@.... I realized it was not listed with the group. I am...
I have an SS90 project I picked up and I am puzzled in one respect: there is no frame number period. The engine is from '66 and is genuine with some missing...
Here's a couple of things I found using www.scooterbbs.com/search & search words "ss90" & "frame" http://www.scooterbbs.com/board/DCForumID1/45152.html ...
the last lot of frames dumped outta Piaggio (after the SS was a bit of a flop in Italy) didn't seem to have frame numbers, all NZ SS90s don't have them so we...
only the 108, made great power but with the stock tranny the gearing was too low, caused the clutch to slip like mad too. died after one of the circlips...
Looking for some feedback on this one: I have a '66 Bluebadge that I've been riding hard for 4 years, no problems till this spring when it snapped the crank,...
Very odd. Breaking flush at the flywheel. I would imagine something is not balanced correctly. Could be a number of things... did you install the first...
pooman's tuned ss50 (135 top end) has broken a few small-taper cranks in it's day, exactly at the same spot, i think also with both normal and hp4 flywheels....
The replacement cranks are not as good as the originals and the small taper isn't really suited to high revs and usually way out of balance performance...
I guess it makes sense, I portmatched the cases when I replaced the crank and it got a lot revier, that would explain the short lifespan of the Marzoceli. I...
Welcome to the wonderful world of Hot Rodding. A place where we exceed the design limits of our machines and then wonder why they break. Vespa's have a fairly...
Anyone has a large taper crank and 6 pole flywheel they willing to part with for a reasonable price? I'm not entirely sure what I'm talking about, but quoting...
My '67 Vespa 50 was running OK and now won't start. Great spark, I've cleaned the carb & jets, float seems ok, compression seems ok, good quality gas, turns...
It might be timing as you thought. I'd check to see if the woodruff key sheared off & flywheel has been slowly rotating on the shaft (and running worse &...
The usual suspect carry them: Scooterwest (Vespa Motorsports), SIP, etc. You can buy a PK electric start flywheel and knock off the ring gear to get a...
The scooter started basically losing power over a period of a few miles, not suddenly, and then wouldn't re-start. I haven't pulled flywheel cover yet to look...
No, I haven't seen one but it wouldn't be that hard to do. However, if you went the way the largeframe kit went, it means you can't readily change the tire,...
Sounds like top end slowly seizing... MtN> The scooter started basically losing power over a period of a few MtN> miles, not suddenly, and then wouldn't...
i grooved the front brakes shoes on most of my bikes, and had the hub on one of them spun up in a lathe and trued - the difference was amazing, 1-finger hard...
if the flywheel key has sheared then often the tight fit of the wheel onto the crank can keep it in place ) ish) for a little while until centrifugal force...
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