General Category > General Discussion

Motor floods / stalls out when warm ???

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wicks:
This is my ongoing problem...8K mile 73 V7 Sport, replaced or rebuilt everything around the engine. Fuel is flowing. Bike rides lovely for 30 minutes, then when nice and warm, begins to fail to fire on any more gas than idle. Motor gets flooded, bike stalls out. Switch ign off and on and fuel explodes in the headers.

Not sure if this is still happening, but last summer when I was working on this, the gas was bubbling out of the carbs into the (then clear) fuel lines. Fuel overheat a real possiblity? Everything is arranged stock on the bike, double gaskets between manifolds and heads, fully restored standard Dellortos, etc. New everything in fuel system and electrical system. Just fitted electronic ignition, no improvement to this problem.

Just checking if anyone has any new ideas... ???

MotoGuzzi:
re torque heads.

rodekyll:
Possibly the enricher circuit not sealing closed or the carb slides not properly set.  Other problems could be a misplaced jet or needle, bad float, or slides inserted backwards. 

Is this happening on both sides or just one?  Are the enrichers cable or flapper operated?

wicks:
"reqorque heads" is an interesting comment. Have done this, but will do again.

Re floats/slides, etc. - all new and working perfect. Bike runs perfect. For a half hour. Then the problems start.

Chokes are flapper, and all of that works perfectly. But just until nice and warm (about 30 minutes ride).

Chuck in Indiana:
What kind of coils?

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