2010 RT SE5 runs rough and then engine stalls when hot

[peterRT]

Hi again guys", today the temperature was 40c 104 degrees Fahrenheit and I went for a ride stopping and starting at traffic light the spyder did not stop or hesitate to move forwards it ran perfectly since canisterectomy,

Regards Peter

 

[BajaRon]

Hi again", well I did the canisterectomy went for a ride start s up smoother now and does not run rough at idle

Canister-ectomy. Always highly recommended. Numerous benefits. No downside. Easy and cheap to do. Corrects a huge design flaw in the 2008-2012 Spyders.

Good move!

 

[Coolvirgo54]

Pretty sure the problem is heat. On any day but particularly a hot day after a run stick your finger in the fuel tank when its near full. It nearly burns. I find that while moving everything's fine on a hot day but after leaving the bike for 15 minutes or so when I start it and it will stall unless I give it a little throttle and on take off the engine always stumbles and hesitates unless I'm very gentle on the throttle. The clue is that there is no problem if you warm the bike up to operating temperature without riding, switch it off for a few minutes and then take off there is no problem. The fuel tank is exposed to hot air from the engine and exhaust headers while moving. After stopping the tank is exposed to residual heat in the headers which run very close to the tank and heat rising from the cat. The fuel lines will also get hotter. So the idle stalling and stumbling on take off is vaporisation in the fuel lines. I wrapped the headers, stuck more heat shielding to the tank wherever I good get to it and removed the rear 2 plastic guards behind the suspension(not the skid plate) and it has certainly improved it a lot and the seat no longer gets really hot. Fitting a vent kit right now and will de-cat it it in the near future.