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Scooters - 50cc => Super 9 => Topic started by: 1martyg on October 11, 2013, 01:13:07 AM

Title: compression
Post by: 1martyg on October 11, 2013, 01:13:07 AM

I have a 2009 s9 factory 15k km I bought a checked compression 30psi with throttle open any suggestions?

Title: Re: compression
Post by: 245luigi on October 11, 2013, 01:08:00 PM

Thats bad. Open up the top end. Cylinder, piston and/or rings are shot.

Title: Re: compression
Post by: 1martyg on October 11, 2013, 06:12:04 PM

Is it possible for it to still run? I rode twelve miles yesterday.

Title: Re: compression
Post by: 245luigi on October 11, 2013, 06:18:26 PM

Typically the bike should not be running with 30 psi. Thats a funny reading. Why are you checking compression if it runs?

Title: Re: compression
Post by: 1martyg on October 11, 2013, 07:52:37 PM

Had a little hiccup couple nights ago and I tripped out rode it today running ok, I bought it 5mnths ago I never owned a 2 stroke so I don't know how much zip it should have,its totally factory only derestricted,still factory rollers and variator tires etc thanks for your response.