Dick:
With the research I've been doing and your input I'm inclined to agree that
one or both of the needle valves is sticking open. I did put on a new fuel
filter last week and the old one (which was clear plastic) had a couple of
small chunks of crud inside. I ordered some new float bowl and manifold
gaskets so when they arrive I'll pull off the front carb first and check for
obstruction in the needle valve and for correct float height.
When I did the rebuild in Feb I did set the floats at 11/16" which may be
too high. (Basically I did nothing to the tab as the newly installed floats
both appeared to be at THAT correct height/setting) Nelson Riedel's carb
instructions on the Buckeye Triumphs website indicate that floats should be
set at .630 to .670 inches. I'll go for this measurement. I've been
watching the oil level as I check it each day but have not noticed any
increase in the level.
Thanks for your time and interest. I'll keep you apprised of my progress.
Best regards,
Walt Fogle
Walt---I'll take a few long shots at this time...Based on the new info
>of fuel odor, and assuming that no visable leaks are present, it's
>possible that some of your fuel is going into the crankcase thru the
>fuel pump. If this happens to be so, eventually the "oil" level on the
>dipstick could increase. Note where the level is when cold, and measure
>thereafter, always when cold.
>
>Cold engines will tolerate a very rich mixture. Could it be that dirt is
>getting past your fuel filter and causing the needle valve in one or
>both of the floats to stick open? (check the dirty plug carb first)
>
>Backfiring generally will happen when the spark is momentarily
>interrupted then comes back on again. If I were a betting man.......
>
>Dick T.
>
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