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'64 & '66 110, '67 60, '71 70, '68 140 H3, 69 Sunset Orange 140 H1, '64 4020D
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Discussion Starter · #1 ·
I've had this "70 for a little while... Just got a VH60 I've had around in it that had a dead coil, replaced that and it runs and idles OK, just wont throttle up.
Since I've had this engine over the past 5 yrs I've put a updated governor in it and a service carb a few years back.
I then got mad at it and put it away for a year or two after the coil died.
The main jet/ needle is clean, and I'm getting good fuel supply. Why wont it run well past 1/4 throttle??
Governor is adjusted right..

Thanks,
-JB
 

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763 Posts
Does it miss or just die when you attempt to throttle up the engine? I have a John Deere 60 with the same engine. I had the same problem but opposite. My new John Deere 56 has the aluminum block version.
 

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'64 & '66 110, '67 60, '71 70, '68 140 H3, 69 Sunset Orange 140 H1, '64 4020D
Joined
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156 Posts
Discussion Starter · #3 ·
It seems to miss, like it's firing every other time...
I can open the main jet until the exhaust turns black (from being too rich), but there doesn't seem a point where it clears up.
 

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I am thinking it is Spark related. How does the plug look?
 
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