# 2stroke dirtbike question

**URL:** <https://forums.speedlife.net/t/2stroke-dirtbike-question/254426>\
**Category:** Shift518 Automotive\
**Created:** [September 9, 2010, 5:28pm UTC](https://forums.speedlife.net/t/2stroke-dirtbike-question/254426 "2010-09-09T17:28:56Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![SSmokinn\_SS](https://avatars.discourse-cdn.com/v4/letter/s/ec9cab/32.png) [@SSmokinn\_SS](https://forums.speedlife.net/u/SSmokinn_SS)\
**Post date:** [September 9, 2010, 8:06pm UTC](https://forums.speedlife.net/t/2stroke-dirtbike-question/254426/12 "2010-09-09T20:06:43Z")

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> [@$299.00 for the iPhone?](https://forums.speedlife.net/t/299-00-for-the-iphone/34923/5):
>
> E-diagnostics. :lol do a compression test. I’m gonna say if thats good its a power valve or could be cracked reeds…

on a 2 stroke a compression test is as simple as trying to push down the kick start with your hand…

if you cant do it with your hand, it doesnt need a top end…if you can, time to rebuild.

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