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I have portable generator that kicks back when I pull the…

I have portable generator...

I have portable generator that kicks back when I pull the chord. I removed the spark plug and pull chord and can manually rotate the engine only so far in either direction.

Mechanic's Assistant: What's the make and model of the generator? And can you guesstimate how old it is?

Powermate 3250 it's only about three years old

Mechanic's Assistant: Do you plan on doing the work yourself?

Yes

Mechanic's Assistant: Anything else we should know to help you best?

It was running fine one night, next morning went to start it and it backfired and from there would not start.

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Answered in 9 minutes by:
3/11/2018
Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 31,452
Experience: have worked on and around most engine models for 35 yrs./Polaris ATV expert
Verified

Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!

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Customer reply replied 4 months ago
ok

You have a broken engine, with the spark plug removed. use a probe int the cylinder, feeling for the piston, then rotate the engine and see if the piston is moving. No movement, you have a broken piston or connecting rod and the engine will need extensive repair!

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Customer reply replied 4 months ago
Well, I did remove the spark plug and valve cover and the rotated the crank. I do see the valves move.

Yes, but is the piston moving? You have to use a probe to feel for it!

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Customer reply replied 4 months ago
ok I will do that, thanks.

OK>

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Customer reply replied 4 months ago
Ok, so the piston is moving. When I manually rotate the crank it only moves until the piston reaches the top. Is this normal? Or should it go through the full rotation?

It should go through the full rotation. If it locks, the engine has internal parts broken.

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Customer reply replied 4 months ago
That's what I suspected. Thanks for your help.

Sorry, it is not better news, please use the 5-star rating system to close the question and get me credit!

Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 31,452
Experience: have worked on and around most engine models for 35 yrs./Polaris ATV expert
Verified
Curtis B. and 87 other Small Engine Specialists are ready to help you
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Customer reply replied 4 months ago
Sure will, thanks again.

Thank you!

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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