Lewithefly Heliman Location: Perth, Australia
| I had heaps of problems with an OS50 on my Robbe Sport, initialy sold with a tuned pipe but had nothing but trouble, too rich on full tank too lean near empty.....got me a Weston Mini Pipe, great service and landed within 2 weeks (UK to Australia).
Two piece design for the Robbe/OS50, one piece for other combo's. I'm no expert but have not had a problem since, can't remember when tuned the high speed needle, relaible, quiet and runs real smooth.....
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