October 2, 20205 yr I’m working on a 2014 280 (Explorer)- inner O-ring is bad so I need new ones. The ones I got are too large. I think they are 82 mm and 104mm (have to measure diameter). Does anyone know the correct size and if any GasGas O rings are correct? Otherwise I guess I’ll have to source some Vitron O rings at Granger or something (States).
October 3, 20205 yr https://nonstopmotoren.com/product/o-ring-cilinder-exterieur/ https://nonstopmotoren.com/product/binnen-o-ring-cilinder-kop/
October 4, 20205 yr Hi Lotus, we never liked the original Ossa O rings, they were too large for the groove outside diameters. We have been using GG O rings for many years which provide a good fit, I can give you the P/Ns tomorrow, it's late evening time here. Bye, Peter B.
October 4, 20205 yr Author 8 hours ago, peterb said: Hi Lotus, we never liked the original Ossa O rings, they were too large for the groove outside diameters. We have been using GG O rings for many years which provide a good fit, I can give you the P/Ns tomorrow, it's late evening time here. Bye, Peter B. Thanks! That would be great info to know- I can pass along for others looking too.
December 12, 20205 yr Hello mark you never updated if you got gasgas head o-rings and part #. Are the 300cc same as 280. Thinking of removing my cylinder head and cleaning the carbon out. Cheers kim.
December 13, 20205 yr Author 6 hours ago, ossabc63 said: Hello mark you never updated if you got gasgas head o-rings and part #. Are the 300cc same as 280. Thinking of removing my cylinder head and cleaning the carbon out. Cheers kim. Here are the ones was told about and used. Worked great 1995 GG 250 inner and outer O rings. Outer old P/N M01619135, now P/N MT27816060 dia 101.30 x 1.78mm Inner P/N M01619215, not sure if it has a new P/N.
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