28-08-14, 07:12 AM
(27-08-14, 09:04 PM)bobertsoft link Wrote:Hi all. I'm new here. Please excuse me if I ask a question. I have the same problem as the chap above. I don't have any prob starting hot or cold. When the engine is in neutral the rpm's will struggle all the way up......smooth up to about 4500 to 5000....struggling from there on. But when riding its a different story. It struggles to get past 4500. Same bike...same year in fact. Any thoughts....or am I looking at the same issues as you've all discussed already. What confuses me is that the rpms will go all the way up in neutral but not when riding.
I'm a real newbie at all this...sorry to impose. Thanks, Robbie
Do you know when it was last serviced? Has it been parked up or not used for a while? Is it running on all of the cylinders? It's probably a fuelling issue but might not be the same as Fudge's problem. His was fairly obvious from the really low mpg and struggling to start on the choke. So that pointed to running very rich which is where you're adding more fuel for the same volume of air or in Fudge's case restricting the amount of air for the same amount of fuel which is usually caused by a blocked filter. Yours might be going the other way and leaning out at higher RPM which would usually be caused by blocked carbs especially if the bike hasn't been used in a while. You could try a fuel system cleaner additive or if you've got a bit of experience using tools you could take the carbs out and give them a clean with carb cleaner.