Join Date: 06-28-2018
Location: Lichfield, Staffordshire, UK
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Re: Dont let this happen to you
Sorry this happened to you and seems like you got away pretty luckily. Iíve not had my Fireblade long, itís been stored for 10 years inside and only done 9300 miles before that.
But one of my other bikes, a 2001 Yamaha FZS 1000, when I did the valve clearances I dropped the oil and coolant and removed the oil cooler, itís the same design as your bikes. The o rings were fine, bikes done about 30,000 miles in the UK, the o rings on top of the cylinder head that contain the coolant pipes were shot, I changed these for sure. I did also check the ones on the oil/water pump pipe and they were good too.
Yamaha use a dark red coloured o ring rubber, could be Viton? Maybe itís better quality?