So after changing my clutch plates over the weekend and rebuilding the fuel tap to how it was originally (with new diaphragms, spring) I put the fairings back on my bike last night and decided to take it for a little test ride to see how it was. It started beautifully (whereas before it would want to cut out as soon as I started turning the choke off) so I rode to the end of my road to see how the clutch was.... so far so good - the clutch wasn't biting close to the bar and the problem I had with it before where it would lose power pulling away in first gear when I let the clutch out, was gone.
I thought I'd take it out for 10 mins and do a loop down the dual carriageway near me and back to my house. After getting off the dual carriageway I started accelerating up a hill and subsequently lost all power, to the point where the bike was cutting out. I managed to turn it around and roll down the hill which got it started again but it kept wanting to die. Getting back down the dual carriageway and towards my house meant revving the living daylights out of it in second gear, just to keep it from dying. I managed to coax it to a more quiet road before it died again, at which point it refused to start. Fortunately I was able to ring a friend with a van and after 40 mins wait getting soaked in the rain I was able to get my bike back home
Can anyone shed any light on what this? I had a few problems with it at the end of Jan (haven't ridden it since then because of an operation on my leg), which, after testing the coils, changing the spark plugs and making sure there was a spark, I thought I'd traced to the fuel tap - hence taking it apart, discovering it was missing various parts (maybe someone had tried to do the vacuum bypass mod and cocked it up) and putting it back to standard with new bits. When I started it last night it fired up perfectly and I thought it was all sorted - it was revving freely, sounded healthy, engine was responsive etc. It only started being funny after about half a mile (when it was warm...?) and just totally lost power. I had to keep the revs incredibly high to stop it from cutting out (sitting at a set of lights and pulling away required upwards of 7k
) and then at one point holding the throttle wide open in second gear it refused to rev past 4000 rpm and cut out again. Also, trying to start it resulted in it sort of running at about 2k, but never sounding like it was happy. If opened the throttle or wound more choke on it would try to build revs but couldn't and would end up dying again.I have no idea what is wrong - it lured me into a false sense of security by running so nicely when I first got it out of the garage. It almost seems like it is playing up once it's warm (also when it is warmed up the temp gauge is fine - no overheating etc) because it ran so well, until I'd done about half a mile. I'm thinking it could be fuel? But if it's a fueling problem surely it would be consistent? I'm losing my rag with it to be honest, and am seriously contemplating getting rid of it because if I can't ride it loads throughout the summer then I'm wasting my time, energy and what money I can afford to spend to spend on it each month. If anyone on here has experienced anything similar then I'd love to hear from you, or if any of you wise people can suggest what the problem could be
I'd be very happy because it's massively disconcerting to think I had sorted it, when really, the bike is actually like a pile of sick. Sick that a dog has done a runny, smelly shit in.Thanks,
Simon
