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Author Topic: compression  (Read 1233 times)

1martyg

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compression
« 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?
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245luigi

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Re: compression
« Reply #1 on: October 11, 2013, 01:08:00 PM »
Thats bad. Open up the top end. Cylinder, piston and/or rings are shot.
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Currently:
2012 Kymco Like70
72cc Malossi BBK
Dell'Orto PHBG 19 AS Carb
52 Pilot Jet
92 Main Jet
W7 Needle, 40 Slide
2T atomizer + bushing
Tecnigas Triops
Malossi Torque Driver

1martyg

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Re: compression
« Reply #2 on: October 11, 2013, 06:12:04 PM »
Is it possible for it to still run? I rode twelve miles yesterday.
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245luigi

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Re: compression
« Reply #3 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?
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Currently:
2012 Kymco Like70
72cc Malossi BBK
Dell'Orto PHBG 19 AS Carb
52 Pilot Jet
92 Main Jet
W7 Needle, 40 Slide
2T atomizer + bushing
Tecnigas Triops
Malossi Torque Driver

1martyg

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  • Posts: 10
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Re: compression
« Reply #4 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.
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