how low to set idle?
Road Warrior
Joined: Sep 2005
Posts: 1,569
Likes: 12
From: Arizona
agree, under 900 and your not really giving the engine the oil it needs, sounds cool though. when mine is cold it will idle so low you can almost smoke a cig, between hits, but it isnt doing the motor any good.
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,897
From: Bedford UK
When new, my shovel would 4-stroke on the front cylinder and 8-stroke on the rear, which gave it a very distinctive exhaust. Evos run more evenly - not so cool!
Another reason for keeping rpms up at tick-over is simply maintaining uniform crank speed. If the speed drops too low, the crank speeds up and slows down between each cylinder firing, which puts unnecessary loads into the engine, as well as it being short of oil.
It is much more cool to let your engine run free and smooth at the correct speed!
Another reason for keeping rpms up at tick-over is simply maintaining uniform crank speed. If the speed drops too low, the crank speeds up and slows down between each cylinder firing, which puts unnecessary loads into the engine, as well as it being short of oil.
It is much more cool to let your engine run free and smooth at the correct speed!
4th Gear
Joined: Aug 2009
Posts: 8
Likes: 0
From: Oregon
Looks like I'm contrary to popular opinion and advice from the motor company, but my '84 FXR evo idles at 600rpm when warm and has for the last 10 years. I agree that trying to really get the rpm low - say 400 - is not healthy to the motor.
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