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by iancwalker
Sun Apr 22, 2018 2:45 am
Forum: Senior Rotax
Topic: Rotax FR125 EVO Senior - poor compression?
Replies: 2
Views: 22915

Re: Rotax FR125 EVO Senior - poor compression?

Thanks, I will try a new pump tomorrow, along with the solenoid for the power valve and also take the power valve apart, confirmed spark this afternoon too... :(
by iancwalker
Sat Apr 21, 2018 3:01 pm
Forum: Senior Rotax
Topic: Rotax FR125 EVO Senior - poor compression?
Replies: 2
Views: 22915

Rotax FR125 EVO Senior - poor compression?

Based on an EVO.

Running flat out, suddenly engine felt like it had an engine brake, turned it off real fast.

Still cranks, albeit sounds a little off.

Checked the following:
~ Top of piston appears good
~ Plug clean (no metal shavings lol)
~ Thumb on plug hole, crank and can feel pressure (not ...