We're the carbs changed as well?Air filter okay?How long have you had the bike?Is it possible that it was previously restricted?Has it ever gone over 110mph?
Have you taken the plates back out?
Yes, I have had 155mph out of it before selling it to my mate.
Sure it's not the Rev limiter?? Never tried mine that hard Maybe I should!!
Quote from: JoeRock on 07 August 2015, 04:49:12 pmHave you taken the plates back out? Or even tried changing up from 3rd
Sounds like it's restricted. There's two types of restrictor,the after market washers and the Yamaha restriction through the carbs
Cleaning the carbs is one thing, having them balanced can help "a lot" although i doubt that's the main problem.Don't rely too much on the filter being spotless, we've had some odd weather this year, mainly the tail end of other countries sand storms, i know this 'cos my K&N was noticeably dirty after 700 miles.It does kind of hint at some sort of restriction by the sound of things, from earlier posts on here that sounds like a similar speed where the engine tends to run out of puff.Have you ever noticed any hissing when opening the petrol tank cap, there'sa small possibility the tank breather could be blocked causing a fuel restriction?If you really had 155mph out of it before then congratulations, 'cos you once had the fastest FZS600 in the country!
155?Pah I say! And pah again! Besides that, clearly you know about engines and are experiencing a problem, but I wouldn't expect it to get any faster in 3rd!
Kinked fuel line.Blocked fuel filter.Fuel tap switched fully on?
Are the plug caps making a good contact to give a good spark...coils and plugs good?It sounds like already mentioned - fuel starvation, air filter, blocked carbs etc. or you're a real fat bastid buuut apparently only 10 stone Weird one
Quote from: darrsi on 10 August 2015, 01:18:37 pmKinked fuel line.Blocked fuel filter.Fuel tap switched fully on?Nope, Will see what state the fuel filter is later on today when I get home from work And definitely
You're certain its not restricted with the Yamaha restrictorshttp://i.imgur.com/MXYe06W.jpg
Thinking about it - this sounds exactly the same as what mine was doing when the spark plug caps were breaking up (although mine was happenening at around 80 odd. Might be worth replacing them (there's a red NGK set people use that work perfectly) - not very expensive from what I remember?