rebuilt zenith carb

[dipasqum]

Greetings,

I have a 67 Series IIa 88 that I use off road around my property. Was pulling some logs out of the woods and dragged a log and then turned it off. 5 hours later and it turns over, but no start.

Noticed that the carb gasket had failed and gas was pumping out. So I rebuilt the carb - i took the liberty to put in a new mechanical fuel pump and a brand new distributor.

I'm getting spark to the plugs. I had the wrong float adjustment and so i changed it to the correct setting because I'd get one big backfire.

Now it cranks and tries to catch and a few times after that it backfires.

My plan is to re-verify the float adjustment

when I replaced the distributor, I made sure the rotor head was lined up exactly like the old one. But I suspect the timing is also messed up. Is there I was to verify the timing without a timing gun before I take my carb apart to verify the float adjustment?

Any hints or tips from those more experienced that might save me some time chasing down the wrong path?

Thanks!

[erik88lr]

Greetings,

Any hints or tips from those more experienced that might save me some time chasing down the wrong path?

Thanks!

Not meaning to be cruel, but I was taught as a cub mechanic to never change more than one thing at a time or I wouldn't know what broke, or fixed, a car.

I'd start with the distributor - being sure that it is in time, firing order is correct, that sort of thing....

Good luck!

[mearstrae]

First turn your engine over until the timing marks line up at top dead center. Remove the distributor cap and be sure the rotor arm is pointing toward number 1 spark plug wire. Also, while in there be sure the points are properly set. [If your back-fire is through the carb then, it's most likely a lean condition. If out the exhaust, it could be a rich condition. Because...timing can also cause these to happen.]

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