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Craftman Kohler Pro 18hp OHV Wont Start / Backfires Thru Carb

#1

J

JonnyBlaze

Engine CV492s. Just picked up an older Craftsman LTX1000. Owner said it started earlier this spring and went to mow yard and it wouldn't start. Said he put fresh fuel and spark plug. Gets spark. Has compression. I know its getting gas and it backfires out carb when cranking over.

Where should I start? Thanks!


#2

J

JonnyBlaze

So I ordered a new keyway for the flywheel. Gonna pull it off and start from there. I want to invest in a good puller set. Anyone recommend one?

Any thoughts on these?

https://www.summitracing.com/parts/otc-7206

https://www.summitracing.com/parts/wmr-w89711


#3

cpurvis

cpurvis

I get some kind of re-direct when clicking the links. Neither goes to summit racing. Don't know if the problem is on my end or yours.


#4

M

MonkeyCam

I used this one to pull the flywheel off of a 12.5 HP B&S about a month ago. It worked well. I tightened it down, then whacked the flywheel w/ a rubber mallet to get it off. https://mobiledistributorsupply.com...q_2sREVKxxIIieraICKV4dmvfzFYI286LRoCgs7w_wcB#


#5

J

JonnyBlaze

cpurvis said:
I get some kind of re-direct when clicking the links. Neither goes to summit racing. Don't know if the problem is on my end or yours.
Click to expand...

That is weird. Me too. Here are the tool part numbers:

OTC Tools 7206

Performance Tool W89711


#6

J

JonnyBlaze

MonkeyCam said:
I used this one to pull the flywheel off of a 12.5 HP B&S about a month ago. It worked well. I tightened it down, then whacked the flywheel w/ a rubber mallet to get it off. mobiledistributorsupply.com/harmonic-balancer-steering-wheel-puller-1.html?gclid=CjwKEAjwjPXIBRDhwICRg-DbgHISJADP6QXppT6lvbhaq_2sREVKxxIIieraICKV4dmvfzFYI286LRoCgs7w_wcB#
Click to expand...

Working now. I wonder if it has the right size bolts. I want a kit with as many bolts as possible so I don't have to run to the hardware store every time I need different size bolts.


#7

M

MonkeyCam

JonnyBlaze said:
Link isn't working for me. Have a part number?
Click to expand...

Try this: https://mobiledistributorsupply.com...q_2sREVKxxIIieraICKV4dmvfzFYI286LRoCgs7w_wcB#


#8

J

JonnyBlaze

MonkeyCam said:
Try this: https://mobiledistributorsupply.com...q_2sREVKxxIIieraICKV4dmvfzFYI286LRoCgs7w_wcB#
Click to expand...
I went ahead and ordered the strap wrench from above and they also had the same puller set in your link, so I went ahead and ordered that as well. Thanks!


#9

J

JonnyBlaze

So I just drained the oil on it today and it dang near filled a full size coffee can! Thats gotta be way more than 2 quarts, correct?

Also, took everything off above the flywheel, waiting for my puller to get here, and the bolt that holds it down hardly took any force to break loose at all. I just held the flywheel by hand and bolt came right out.

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#10

T

TobyU

I think most all Kohlers use a steel key and won't be sheared. They hold a little less than 2 qts.
Did it smell like it had gas in the oil?
This is common and will eventually cause not to run.
I've seen a lot of the command singles having coils go out recently.
They spark but only about every 3-4th hit and won't run.


#11

J

JonnyBlaze

TobyU said:
I think most all Kohlers use a steel key and won't be sheared. They hold a little less than 2 qts.
Did it smell like it had gas in the oil?
This is common and will eventually cause not to run.
I've seen a lot of the command singles having coils go out recently.
They spark but only about every 3-4th hit and won't run.
Click to expand...
All my research on this engine says they are known for breaking flywheel keys. I got the new key, just waiting for ups to drop off the tools I ordered today.


#12

J

JonnyBlaze

I was right! Broken key! Now just waiting for new carb.

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