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Author Topic: spark plug thread  (Read 2582 times)

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Offline 95formula847

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spark plug thread
« on: August 10, 2009, 03:47:24 PM »
what size adapter do i need to buy for a compression tester for a 91 kx5? thanks
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1991 KX500
2003 ZX12R

Offline hughes

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Re: spark plug thread
« Reply #1 on: August 11, 2009, 05:15:19 AM »
14mm is pretty much industry standard but maybe some else can help back that up.
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Open Class 2-Stroke Kawasaki KX500
Yamaha 2005 YZ250
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Offline Larry Wiechman

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Re: spark plug thread
« Reply #2 on: August 11, 2009, 10:19:17 AM »
M14-1.25
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Offline 95formula847

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Re: spark plug thread
« Reply #3 on: August 11, 2009, 10:37:33 AM »
alright thanks alot
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1991 KX500
2003 ZX12R

Offline 95formula847

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Re: spark plug thread
« Reply #4 on: August 12, 2009, 12:50:57 PM »
ok last question. do you guys do your compression tests warm or cold? id think warm but im no expert
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Offline 95formula847

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Re: spark plug thread
« Reply #5 on: August 12, 2009, 01:35:15 PM »
well i did a compression test after i ran it for 5 min then sat for 15. I got 80 psi in 10 kicks with the throttle fully open. Not so good. The bike isnt very hard to kick so makes sense. Time for a topend now...even though i though it was runnin fairly good.
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1991 KX500
2003 ZX12R
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