Power User
Just too addicted
for "Performance"
If I wanted the motor to run cooler, painting it black would draw out heat more efficiently right? Like touching a black car in summer = ouch! Before I put the motor back in the 200s I was considering painting the motor black. Opinions?
At The Back Of The Pack
Arm chair racerAt the back of the pack
just dont paint the head and cylinder black it will run much cooler like that.
1982 yamaha rx50.
2001 murray minibike with 5hp.
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Got The Holeshot
Arm chair racerJust too addicted
Black absorbs light and holds heat. That's why black cars are hot in the sun. The color won't matter as long as the sun isn't shining on it. If the sun is shining on it the color that would keep it coolest would be white.
Basically, the darker the color the more heat it will absorb and hold.
Power User
Got the holeshot
it wont make any difference in this scenario
The person who says it cannot be done should not interrupt the person who is doing it.
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Just Too Addicted
Arm chair racerJust too addicted
I think white would release the heat. Even if the paint is on the out side of the engine it will still hold the heat on the surface. try heating a white pan and a black pan to the same temp. The white one will cool faster. I may be wrong though. There is a reason "cooler" clothing is not black, The heat comes more from you the the sun or external heat sources.
1987 Honda 200X 90% way through frame up.
1987 CR500R Motor, Soon to be a 540 ATC motor
1986 250R frame, For now
2008 Honda 700XX
2004 KFX700 Torque monster!
2011 Can-Am Commander 1000X
Looking for misc Liquid R parts
My other user 3WW ID was Nitebiker07.
Teaching quads a lesson
no paint=better cooling.
At The Back Of The Pack
Arm chair racerFirst time rider
Originally Posted by 300rman
correct!! thats why briggs and stratton stopped painting their engines. They learned the engine holds more heat and runs hotter with paint on it than it does as juat a bare cast block.
-Phil
Just Too Addicted
Arm chair racerJust too addicted
because the paint acts like a blanket.
1987 Honda 200X 90% way through frame up.
1987 CR500R Motor, Soon to be a 540 ATC motor
1986 250R frame, For now
2008 Honda 700XX
2004 KFX700 Torque monster!
2011 Can-Am Commander 1000X
Looking for misc Liquid R parts
Power User
The day begins with 3WW
What he said.
No paint = cooler running engine.
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