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Post by spaz12 on Sept 9, 2015 20:51:46 GMT -5
I just realized you were running an electric pump I think it could be possible for a pump to flow too fast as it won't have time to transfer heat to the radiator. What kind of pump are you running. Just a thought... Good call! Also, which way is it flowing? But I still say that it's not overheating. It's not popping hoses or seizing. How about a noticeable loss of power soon after you start riding? 4 stroking? Surely that kind of heat would cause one, if not more of those symptoms?
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Post by spaz12 on Sept 9, 2015 20:52:18 GMT -5
Why is 230 degrees high? I see about 350 on a hot day. Air cooled. 230 degrees. Your piston should last forever. Water cooled
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Post by sai on Sept 9, 2015 22:09:43 GMT -5
I just realized you were running an electric pump I think it could be possible for a pump to flow too fast as it won't have time to transfer heat to the radiator. What kind of pump are you running. Just a thought... I do have an electric pump from malossi
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Post by sai on Sept 9, 2015 22:11:54 GMT -5
I just realized you were running an electric pump I think it could be possible for a pump to flow too fast as it won't have time to transfer heat to the radiator. What kind of pump are you running. Just a thought... Good call! Also, which way is it flowing? But I still say that it's not overheating. It's not popping hoses or seizing. How about a noticeable loss of power soon after you start riding? 4 stroking? Surely that kind of heat would cause one, if not more of those symptoms? It goes top of radiator to bottom of cylinder, exits from top of cylinder head to bottom of radiator. Nope, If anything I feel a little too much power because of the port timing and squish mod per instructions of 190mech. At one point I'm at around 1/2 throttle and it's already going 40+
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Post by spaz12 on Sept 9, 2015 22:56:15 GMT -5
She said too much power
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Post by spaz12 on Sept 9, 2015 23:07:09 GMT -5
Coolant rout is good. I'm also wondering what your temps are when sitting for extended periods of time, when you have no airflow over the radiator, which is one of the areas you would have to be concerned with when you don't have a fan.
Have you checked it with a laser or infrared thermometer? Both sitting and idling after a good run, and right after a wot run.
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Post by sai on Sept 10, 2015 0:06:15 GMT -5
Coolant rout is good. I'm also wondering what your temps are when sitting for extended periods of time, when you have no airflow over the radiator, which is one of the areas you would have to be concerned with when you don't have a fan. Have you checked it with a laser or infrared thermometer? Both sitting and idling after a good run, and right after a wot run. I couldn't find an infra red yet, but according to my vapor, idle temps from startup is around 160f I believe, it l only jump past 200 after 3/4 throttle. going from wot to idle usually it drops from 215 to 197-204f. It drops rather quickly. average temp when riding is between 202-214f Again , this is all coolant temp. I don't use a cht.
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Post by 190mech on Sept 10, 2015 5:16:21 GMT -5
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Post by derbiman on Sept 10, 2015 6:43:37 GMT -5
That was what I was thinking. The lower part of the radiator should be where the cooler water should be. Exit the bottom of the radiator and enter the cylinder at the bottom.
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Post by ryan_ott on Sept 10, 2015 7:04:21 GMT -5
^ correct route ^ Heat rises so have the hottest water at the top of radiator and coolest water return through bottom to pump to engine.
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Post by sai on Sept 10, 2015 9:38:19 GMT -5
Problem is because of the space and directions of the radiator + cylinder ports, there's no space for the hose to be set like that.
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Post by 190mech on Sept 10, 2015 12:03:46 GMT -5
I guess the best thing to do is go back to an AC cylinder since there is no way to relocate the radiator or hose routing!!!
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Post by spaz12 on Sept 10, 2015 13:12:23 GMT -5
Oops, my bad. I musta been daydreaming or something.
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Post by sai on Sept 10, 2015 15:04:09 GMT -5
I guess the best thing to do is go back to an AC cylinder since there is no way to relocate the radiator or hose routing!!! is it so bad what I have now?
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Post by derbiman on Sept 10, 2015 15:14:48 GMT -5
Not particularly bad,just a little inefficient.
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