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Cub cadet lt1045 2008 won't start, replaced starter,

Customer Question
battery, starter solenoid, fuel pump...
Cub cadet lt1045 2008 won't start, replaced starter, battery, starter solenoid, fuel pump and spark plug, good fuel and oil. I was cutting grass and it just stopped. When I try to start it will attempt to turn over then you hear a click towards the carburator and it stops, then it will only spin and not turn over. Any ideas?
Submitted: 1 year ago.Category: Small Engine
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Answered in 13 minutes by:
10/17/2016
Technician: Curtis B., Technician replied 1 year ago
Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 29,101
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 1 year ago
Sounds good
Technician: Curtis B., Technician replied 1 year ago

What is the engine? Single cylinder or twin? If you remove spark plug and check for spark, with plug grounded, do you have spark?

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Customer reply replied 1 year ago
Let me check, give me a few
Technician: Curtis B., Technician replied 1 year ago

If you have spark, and then put a teaspoon of fuel into the spark plug hole, and see if it will start after re-installing the spark plug. If it does, the fuel is not going through the carburetor.

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Customer reply replied 1 year ago
Good spark, added fuel as directed still nothing. Motor is a Kohler 18 or 19 hp
Customer reply replied 1 year ago
When I took the spark plug out it was really dry, no moisture at all.
Technician: Curtis B., Technician replied 1 year ago

Single cylinder Kohler, go back and remove the spark lug, and with finger and rag over spark plug hole, see if you have enough compression to move your finger. If no compression, use a probe into the cylinder and feel for the pistn, and see if the piston moves as you turn the crankshaft.

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Customer reply replied 1 year ago
Getting about 170 psi on my compression tester
Technician: Curtis B., Technician replied 1 year ago

Good compression, good spark, but will not run when gas is poured into the cylinder.? Two things left, check valves for movement, and check the timing key between the flywheel and the crankshaft.

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Customer reply replied 1 year ago
Removed value cover and one screw was almost off, tightened and she fired right up! Thanks for help!
Customer reply replied 1 year ago
When I fixed that it must have been burning the fuel I put in the spark plug hole because it ran for a few then shut off and won't start now, ideas
Technician: Curtis B., Technician replied 1 year ago

Good compression, good spark, but will not run when gas is poured into the cylinder.? Two things left, check valves for movement, and check the timing key between the flywheel and the crankshaft.

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Customer reply replied 1 year ago
It will run with gas in cylinder after I fixed the value problem, gas issue not getting to engine? I replace the filter and fuel pump and just cleaned the carb bowl, what else am I missing? Thanks
Technician: Curtis B., Technician replied 1 year ago

go back and check the valves again, Di you have the pistn at tdc on the compresion cycle and set bot valves at same time or did you set the valve that was up and then turned the set valve down to set the other? >.004 to .006 inch on valves?

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Technician: Curtis B., Technician replied 1 year ago

see question still open. where are you now with repair? Engine will run with as in cylinder? If so, the electric fuel solenoid in carburetor not opening.

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Customer reply replied 1 year ago
It's the rocker arm screw, tightened but came loose again, thanks for help just need to figure out why it's coming loose
Technician: Curtis B., Technician replied 1 year ago
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Technician: Curtis B., Technician replied 1 year ago

page 10.13 in the service manual above, shows the center set screw to be the lock screw. You are setting the valve and then tightening the center set screw?

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Customer reply replied 1 year ago
The lock screw is stripped and can't tighten, ordered new ones and will try tomorrow
Technician: Curtis B., Technician replied 1 year ago

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Curtis B.
Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 29,101
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Experience: have worked on and around most engine models for 35 yrs./Polaris ATV expert

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