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Bucking Bronco

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Old 11-10-06, 08:26 AM
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Bucking Bronco
85 12A, will only run with choke pulled, won't go over 40 mph, bucks and shakes at speeds, engine revs fine while in neutral or clutch engaged,

would like to see what you guys think
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Old 11-10-06, 08:29 AM
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pics please

is the engine and carb completely stock?
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Old 11-10-06, 09:12 AM
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all stock, had a problem before where it would not idle without the choke pulled, it fixed itself somehow
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Old 11-10-06, 09:14 AM
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vaccum leak, shutter valve, fuel filter. in that order
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Old 11-10-06, 10:06 AM
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vacuum leak sounds about right, whats the best way to check that
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Old 11-10-06, 10:08 AM
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sounds like a vacuum leak to me.


EDIT:
use a can of carb cleaner.
Last edited by diabolical1; 11-10-06 at 10:11 AM.
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Old 11-10-06, 11:02 AM
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If the lines are brittle replace them all.
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