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I agree, stopped using R9 a while ago due to the same issue of external cracking. I think this is related to the bend radius being too tight and heat/ vibration rather than the fuel. However so far the Cohline 100% is ok. I suppose the Gates is the same just a different supplier. I found the R9 to be very stiff compared to the new pipe which is much easier to work with.I must be getting old and confused [emoji2369] because I said above the T piece was connected to the tank then the carbs. Of course that’s wrong, there’s the pump first, then the T piece then the carbs.
I agree, stopped using R9 a while ago due to the same issue of external cracking. I think this is related to the bend radius being too tight and heat/ vibration rather than the fuel. However so far the Cohline 100% is ok. I suppose the Gates is the same just a different supplier. I found the R9 to be very stiff compared to the new pipe which is much easier to work with.
I must be getting old and confused [emoji2369] because I said above the T piece was connected to the tank then the carbs. Of course that’s wrong, there’s the pump first, then the T piece then the carbs.