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alex yates said:That's correct and infrasilver is fully aware of that......but his is a C2 with standard tank.
alex yates said:Sounds like you have a venting problem on your tank.
Locosaki said:Infra, I had the hissing issue and failure to start after a long run but it never did cutout on me, issue for me was purge solenoid valve sited to the left hand side of the throttle body. Tried cleaning it but made no odds, fitted a replacement and all good.