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ROTAX 277UL TYPE 275 Free Air or Fan Cooled BUILD

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Armilite

Well-Known Member
Joined
Sep 5, 2011
Messages
3,738
Location
AMES, IA USA
For those of you looking for a Cheap $100 to $500 Rotax 277 (72mm x 66mm) 268.8cc which Stock was rated 26hp@6250rpm, and also 28hp@6400rpm, with a Rotax's Header Muffler or 30-38hp with some Mods and a proper Designed Tuned Pipe!

Courtesy of n3puppy who found the 277 Type 275 Manual we have the Parts Diagram.
277UL 275 FA Parts list with numbers
https://www.rotax-owner.com/pdf/HISTORICAL_ROTAX_275_IPC.pdf

277UL Fan Cooled Complete was 65 lbs!

277UL Free Air Complete was ?? lbs! Probably around 62 lbs.

I finally found a 277UL Type 275 Free Air Case last week which is made from the 277UL Fan Cooled Case. The guy posted some Clear Photo's also.
 

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