COTA66 Posted 10 hours ago Report Share Posted 10 hours ago Hoping someone can help me find a front exhaust pipe for my Cota 248. it came as a box of bits and I have gradually rebuild it from the ground up. The original 21M engine had a missing RH case so I rebuilt and fitted a 51M 349 engine. Just dropped the rebuilt engine into the frame and discovered the 248 front pipe will not fit the 349 barrel. The port stud spacing and port bore are all the same but on the 349 barrel the exhaust port is more recessed and at a different angle to the 248 barrel. I am told that the correct part number for the exhaust I need is 5160038-02. I have tried my usual suppliers (InMotion, Cycles Avent) but they can't supply either new or used. Anyone got a suitable header I could buy? Are there any workarounds? I could modify a 248 pipe at a push but would prefer a factory part if I can get one. Also need a side stand and engine to swing arm brace bars if anyone has any kicking about. Thanks! Quote Link to comment Share on other sites More sharing options...
b40rt Posted 5 hours ago Report Share Posted 5 hours ago Have you tried Richard Allan, trials bike breaker. Quote Link to comment Share on other sites More sharing options...
COTA66 Posted 4 hours ago Author Report Share Posted 4 hours ago Thanks for the suggestion. Just tried him but no luck. A MH front pipe looks like it has the same barrel fitting but the exhaust routes outside the twin downtubes, not between as per the 248, so I suspect it won't fit. If anyone has tried that please let me know. 1 Quote Link to comment Share on other sites More sharing options...
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