IH LB Compression

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IH LB Compression

Postby holman » Fri Jan 21, 2011 5:23 pm

Hi,I have a IH LB 3-5 HP. Cleaned it up and it runs great. BUT, to start I have to put left hand on top of water hopper and right on crank handle. Then I back the wheel up and crank ahead to get through the compression stroke. I mean really pull hard when I hit the compression area. Because of this I have a hard time trying to hold down the choke disc. It is not a binding problem,it is just compression. I watch u tube guys face the flywheel grab the crank and hold the choke at the same time and crank. When I first got the motor I had start issues and I pulled so much I thought I was getting a hernia!!! It runs great but TOO much compression??? I was told maybe valve timing. So if I was to get the ?exhaust valve to open a little maybe it wouldn't be so hard. If I was a farmer of old, you would find this in a field, you would probably get a hernia. I haven't had it apart internally it runs great. HELP Holman
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Re: IH LB Compression

Postby artc » Tue Jan 25, 2011 12:58 pm

you should ask this question over on http://www.smokstak.com/

thats the place for flywheel engines
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Re: IH LB Compression

Postby holman » Fri Jan 28, 2011 10:23 am

I really don't care about it having a flywheel! It is a IH! Are you a moderator or what? Let the moderator tell me to look there.
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Re: IH LB Compression

Postby Bigdog » Fri Jan 28, 2011 10:28 am

holman - Art has given you good advice. I suggest you follow it and lose the attitude.
We strive to maintain a friendly atmosphere on this board. Snide comments are not appreciated.
And yes - I am a moderator.
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Re: IH LB Compression

Postby John *.?-!.* cub owner » Fri Jan 28, 2011 11:03 pm

Art was trying to help you out since there are very few flywheelers on here. If there is a site that can help someone more than we can, we frequently refer them to it as a favor.

P,S. I also have an M in front of my name.
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government lest it come to dominate our lives and interests." Patrick Henry
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Re: IH LB Compression

Postby Eugene » Sat Jan 29, 2011 6:30 pm

Put you compression tester on the engine and see exacty what the compression is.

No compression tester. Remove the wire from the spark plug and ground it out. Now crank the engine over. Easier or the same?

If easier. Readjust the point gap
I have an excuse. CRS.
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