Question about Makita DCS6401 20 20",64cc Chainsaw 2 Cycle

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Bent connecting rod

Stihl MS 210 chainsaw. After about an 1 1/2 years the saw was probably used a total of 6 hours. When trying to start it backfired back through the carb and was hard to crank. Upon inspection I found the connecting rod was bent. A new one came with the crank and piston and was half the price of the saw. After installing the new one it started first crank and ran fine for about 8 months and is now backfiring through the carb and getting stiff to crank. I'm sure it is the connecting rod again. What would cause the rod to bend. It is an easy start system and you can't crank or pull to hard on it.

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Ive had blower with bent cranks due to blower scroll comming off and the engine over reved

Posted on Jan 31, 2009


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If you have more questions or need additional help please reply below and I will get back to you. HTH & Good Luck.


Thank You for using FixYa.

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