T500 K left cylinder cold start issue
Posted: Wed Nov 23, 2022 3:36 pm
I've been tuning my 73 T500 and I've got to the point where it's pulling well through the range to WOT and idles well. The bikes carbs are from a 72 with the float bowls from a vented 73 and it has K&N Pod air filters. Currently running with #35 pilot, p4-5fp17-5 and 117.5 main. It took many iterations to get to this point.
Issue I have is that from cold, when I use the "choke", the bike only starts on the right cylinder until I turn off the "choke" then the left cylinder fires up.
I thought it was due to the large pilot jet somi dropped.it back to #30 with same issue. Running with the #30 makes the bike judder when I close off the throttle but when I move it back up to #35 the judder disappears. I assumeed the judder was due to the smaller pilot not delivering enough fuel due to the larger k&N pods.
So now I'm a bit stumped as to why only the left cylinder has an issue. New battery is fully charged.
Any idea folks?
Cheers
Iain
Issue I have is that from cold, when I use the "choke", the bike only starts on the right cylinder until I turn off the "choke" then the left cylinder fires up.
I thought it was due to the large pilot jet somi dropped.it back to #30 with same issue. Running with the #30 makes the bike judder when I close off the throttle but when I move it back up to #35 the judder disappears. I assumeed the judder was due to the smaller pilot not delivering enough fuel due to the larger k&N pods.
So now I'm a bit stumped as to why only the left cylinder has an issue. New battery is fully charged.
Any idea folks?
Cheers
Iain