732 miss at idle - Snowblower Forum : Snow Blower Forums
 
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post #1 of 3 Old 12-15-2014, 12:01 PM Thread Starter
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732 miss at idle

What spark plug is best for the Tecumseh 7 hp. This is the old original motor. The guy I got it from had a first fire ff-15 but it was misfiring bad. I put an old champion hm10 I had taken out of another motor and it actually runs good except it's a little rough at idle. I'll put a new plug in and then deal with carb.
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post #2 of 3 Old 12-15-2014, 12:57 PM
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ngk br2lm, way better than the factory champion
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post #3 of 3 Old 12-15-2014, 10:24 PM
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Quote:
Originally Posted by mikec49 View Post
What spark plug is best for the Tecumseh 7 hp. This is the old original motor. The guy I got it from had a first fire ff-15 but it was misfiring bad. I put an old champion hm10 I had taken out of another motor and it actually runs good except it's a little rough at idle. I'll put a new plug in and then deal with carb.
Once and a while a rough idle or stalling engine on idle can be caused by plugged low speed air screw on Tecumseh with a non adjustable carburetor. Here is a Donnyboy73 video that shows you how to clean this.
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