I'm not sure if its a 1968 or 78, at any rate it is what it is. It turns over but I didn't see spark. You are buying it just the way I found it. Look at the pictures and email me if you have any questions. $60 plus shipping from Mi. Thank you
Currently building up HS40's and wanted to note a change that Tecumseh made regarding pistons and rings. In later years Tecumseh started using thinner rings. The piston size on an HS crossed with some of the OHH engines (as does alot of other internals) so they offered that piston/rings as an...
I bought a 81 Sears Green Streak from a swap meet to build to a customers specs.
The bike came with the original Tecumseh 4hp HS40 on it.
It had spark and compression and would run if some gas was dribbled in the cylinder but the carb wouldn't let fuel in.
I installed a diaphragm carb from a...
Tecumseh HS40 - 55290B Engine For Sale
Located in Franklinville, NJ 08322
Selling for $150 or highest offer
- Nice condition
- 3/4" shaft
- Serial # 0268 12466
- Originally on a Rupp mini bike
- Needs recoil start (good recoil spring, but does not engage
It was sitting in a Pyle of rupp parts where I bought it from. Older style. Has Rupp tc driver and and guard bracket still on engine. Has mini bike throttle and exhaust adapter. Aluminum flywheel and 3" long 3/4" crank. Has spark and compression. No shroud. $75 plus shipping.
I am not finding the original carburetor that my hs40 had on it before someone replaced it with a 'bulb' primer model....:doah:
I see all sorts of stuff out there available for hs40's, I just don't know how to determine which would be best for mini bike application.
What is the...
looking for a complete hs40 with lighting coil setup, does not have to be rupp spec... any condition as long as its most / all there.....don't care if it knocks, smokes or locked up.....
have cash, paypal, parts to trade, etc.
The engine stalls when giving it more throttle. The new points were gapped at .020 on the high side of the cam and cleaned before starting, the piston was set at .035 btdc with a dial indicator, a electronic meter set on ohms was used while moving the stator plate to see the break in continuity...