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What I think we are seeing here is a superb example of why people who don't understand how stuff works should simply LEAVE IT ALONE!Pete
The carbon in the fumes in the can are sucked into the intake manifold, remember the screw he put in one tube? That tube goes from the can into the manifold. It carries the gunk into the engine. It may have no effect on the fuel filter, but it does add carbon deposits to your combustion chamber. Another tube is the breather tube to the tank. It's there to capture the fumes from the tank that are sucked into the intake. These fume can also be sucked back into the tank as the pressure changes due to fule usage and temp changes. Those fumes can carry the charcoal back into the the tank. It's not like there any one way valve on the vent tube Royal Enfields have a maintenance item in their owner's manual under Preventative Maintenance to decarbonise your piston every 18,000 miles. I pitched the can on mine so that would help alleviate the problem. But in retrospect,that could be a leftover from the 1955 manual that they just boiler plated. It's a bloody cinch they didn't completely rewrite it.Bare
What? You don't like gas dripping out of your bike any time you park it in the sun?
Also thee is the fact that the orifices in the elbows to the manifolds are tiny! If great chunks of carbon were being 'Sucked' down the lines they'd immediately become clogged. C'mon guys, just think about it logically.As for the de-coking as mentioned in the RE manual? That's a hangover from the bad old days of crappy fuel and lousy fuel metering devices. I don't think I've seen an engine that needed de-coking to maintain its performance in thirty to forty years! ::)Pete
Ohhhh , that kind of decoking ??? ;D Thought for a minute you guys were talking about OU football :o Dusty
no, that's CORKING, and it's baseball.