Also notice the "balloon" logo, as used before 1971 Notice the motor color (silver), which is what Rupp specified for theirġ970 HS40 engines. When the HS50 was introduced), the HS40 really was the go-to motor forĪ great number of minibike/minicycle makers.Ī 1970 Tecumseh HS40 restored and ready for use on a 1970 Rupp Roadster. Rupp Roadster, etc.) Since there was no small format 5hp motor (until 1972 In the wave of mini-cycle style bikes made in the 1970s (like say the The Tecumseh 4hp HS40 was introduced in 1968,īut really did not get traction with minibike manufacturers until about 1970.Īt that point, the large frame H50 motor was out of favor (due to it'sĮxtremely wide body format), and the much narrower HS40 just fit better We should talk about the Tecumseh HS40 motor. Like SBH (short block horizontal), BB (ball bearing), HS (horizontal small frame),īCR (bump compression release), MCR (mechanical compression release). Some of the online small motor warehouses. Obviously you need some tools to do this,Īnd some general mechanical knowledge. That said though, snowblower flathead Tecumseh engines need Tend to get a lot of snow (maybe 30 inches a year.) So these old snowblowerįlathead Tecumseh HS50 engines are great donors for a vintage minibike. And in the midwest (I'm in Michigan), we don't Why is that? Well they were only used during snow times (no dirt Old snowblowers are pretty common (and cheap.)Īnd generally speaking, at least here in the midwest,Ī 20 or 30 or 40 year old snowblower motor tends to be pretty low usage. I guess it depends where you live, but here in the midwest,
How do you getĪ decent motor to restore your vintage minibike? Well the short If your 1970s Tecumseh minibike motor, which is now 40+ years old andĪbused by every 10 year kid in the neighborhood, is dead. This particular Tecumseh HS50 motor came off a 1970s Ford snowblower. a minibike ready Tecumseh motor in white (or black.) That looks even similar on a Predator 212 to a classic Tecumseh motor.Īnd if you're going for that vintage look, the modern Predator 212 style overhead value The "look" of the 212 motor is completely different than the old school Motor has put a good number of old minibikes back on the road. Used until 1978 when a rectangle (boring) logo was used. Noticed the "balloon" blower housing Tecumseh logo, which was replacedĪbout 1971 with the "dual flags" Tecumseh logo. The HS40, introduced in 1968, was also a very popular minibike engine. The best minibike motor, the HS50, wasn't introduced until 1972. When you see a 1970s vintage minibike for sale today, often it crazy kids!Īnd they probably didn't treat these motors very well. After all, who rode mini bikes during the 1970s. Mini bike makers took Tecumseh up on this, and utilized theirīut the problem with 1970s motors is time, and kids, and Legal reasons than anything.) But regardless, this really opened theĭoor for Tecumseh to supply motors. They justĭidn't want to be associcated with minibikes (probably more Sell their flat head motors to minibike makers. In late 1969, Briggs and Stratton decided they would no longer How would someone go about doing that?įirst, let's talk a bit about minibike engine history. Say you have a vintage 1970s mini bike and you want a properįlat head motor for it. A Tecumseh Flat Head for Your 1970s Minibike - Introduction. 1972 Minicycle magazine Tecumseh AH817mb review.ġ.1970 Minibike Guide Tecumseh Performance rebuild doc.2002 Tecumseh Craftsmen cross reference.
Ignition - Points/Condenser or Electronic, and flywheel material.PTO Output Shaft and Extended Cam shaft.Snowblower Engine a Good Minibike Engine?.Introduction (a Flat Head for your 1970s Mini Bike.Tecumseh Engine Rebuild for Mini Bikes, Conversion from Snow Blower to Minibike Tecumseh Engine Rebuild for Mini BikesĪnd Conversion from Snow Blower Engine to Mini Bike Engine format.
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