fueling

Dellorto carb all recommended jets main#185 needle #dr270 pilot #33 start #45 tried #40 but holes at bottom in bowl the 45 the holes at the top no improvement with #40 clip 2 ,1 turn out on mixture screw new float and float needle and seat ,needle is k51. Issue is fouling plug when choke used...

I have a 2010 FE390. I love the bike, but I'm having fueling issues. I replaced the spark plug, replaced the fuel injector, replaced the fuel pump filter (pump seems to work fine), replaced the inline filter on the fuel line, and just had the valves inspected (still in spec). I am still...

Hi, I am having fueling problems with my 2010 FE390. It was running fine, then I started to have fuel delivery issues and backfiring. I thought it was the fuel map, but all three of the ignition maps gave me the same result. I tested the fuel pump, and I could hear it prime when I tapped the...

Hi having just brought a fs650 2002 iv only just took it out and it feels like the throttle is sticking but is completely free so it ticks over fine but blip the throttle and the tick over increases iv also noticed it a bit jerky on the low end and ideas thanks

So a few weeks ago I was headed out to the trails when my '10 FE 570 started acting up. I tried to give a sharp throttle input at about 60mph and there was no response. The bike bogged down on me. Took it easy to the trailhead and that's where problems really started. In second/third, the...

Hello all, I've had my bike a couple of months now, got my head round the bike a bit. All is well with the way it runs generally, but there is a couple things that I would like to ask the forum. It is a completely standard 2010 FE 570 (euro spec) apart from a mapping switch. I was out today...