Rear Cylinder Cuts off at a certain temp? - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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Old 04-26-2011, 07:14 PM   #1 (permalink)
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Rear Cylinder Cuts off at a certain temp?

Wondering anyone has noticed how after idling for while how the rear cylinder cuts off. Bike runs good but today was the first time i noticed. Got back from a ride and left it idling for a about a minute and it started running like crap. Rolled the throttle and it smoothed out. After a bit started idling like crap. I guess when the engine temp reaches a certian temp the rear cyl cuts off to cool the engine. I have seen touring models that have a manual shut off for that. Havent seen anything for the dyna's.
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Old 04-26-2011, 07:38 PM   #2 (permalink)
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It does that to protect the engine from getting to hot and causing damage. Your owner's manual will tell you how to disengage it but I would leave it on to protect the engine in the hot weather. As soon as you turn the throttle it will disengage. After riding I would only let it idle 15 to 20 seconds and then shut it off.
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Old 04-26-2011, 07:49 PM   #3 (permalink)
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It's actually a great Idea. It turns the rear cylinder into a air pump that cools the engine. If the temp gets to 287 degrees it turns on......
Not sure why you would want to turn it off.
Spark and fuel are turned off during this time.....
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Old 04-26-2011, 08:28 PM   #4 (permalink)
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mc4fun to answer your question is because it runs like crap when this happens. i got back from a ride today and within 20 seconds it started doing it. i hooked up my laptop to my pcv and saw the motor temp was about 300 and the rear cyl was off. as soon as i rolled the throttle it came back on. problem is there is an instant of hesitation when you first roll the throttle.
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Old 04-26-2011, 09:59 PM   #5 (permalink)
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So a feature(EITMS)thats designed to save the motor and warn u when ur motors getting dangerously hot and u want to disengage it? To each their own i guess!
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Old 04-26-2011, 10:05 PM   #6 (permalink)
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So a feature(EITMS)thats designed to save the motor and warn u when ur motors getting dangerously hot and u want to disengage it? To each their own i guess!
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Old 04-27-2011, 07:41 AM   #7 (permalink)
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Roll the throttle full forward to turn it on and off . I believe the engine has to be off but ignition on when rolling the throttle , there's an indicator light in the speedo for on and off .
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Old 04-27-2011, 07:43 AM   #8 (permalink)
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Ignition on roll the throttle full forward to turn EITMS on and off . There's an indicator light in the speedo for on and off .
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Old 04-27-2011, 07:44 AM   #9 (permalink)
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Double post ?????????
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Old 04-27-2011, 09:11 AM   #10 (permalink)
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So a feature(EITMS)thats designed to save the motor and warn u when ur motors getting dangerously hot and u want to disengage it? To each their own i guess!
Yeah, i don't get this either. Seems like a good thing to me.

Would you disconnect the electric cooling fan in your car because you don't like the sound of it when it kicks in?
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