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RE: PC50 engine - why half the horsepower of the Cub 50 ? Posted by : Newt (22.214.171.124) Inappropriate or SPAM?
On Thursday 18/05/17 at 21:28:28
Probably down to a 14mm thick washer in the exhaust header, with a 10mm hole through it.
Remove it or buy a new exhaust.
Might need a plug chop after.
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