Maintenance & Technical > KX500 Super Motard

2001 KX500 Kawasaki Supermoto

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sandblaster:
Incidentally, I can't prove it yet but I'm pretty sure Motorrad's impeller clearance mod knocked about 10 degrees off my water temps, perhaps more.
When I put the bike back together I didn't have any 50/50 green stuff that I was running in it before so I used Engine ice.
I'll know more as I data log temps and switch back to the green stuff.

Motorrad:
Which mod?   Porting? Shimming? Big impeller?

sandblaster:
Impeller clearance mod..
Add a extra washer behind the impeller... Decrease the impeller to cover clearance..

sandblaster:
Oh.... just remembered... I also used this mod as well..

sandblaster:
So, with the water pump clearance mod and enlarging the inlet side of the clutch cover, here is my temps for today.
70 deg F
42 percent humidity
Breaking in the new top end around town.
Highest head temp 204 deg F
Highest water temp 122 deg F

Average temps
Head 185 deg F
Water 115 deg F

Hmmm.... seems to big of a difference...
I'm taking it back to the shop to re-burp the head, rads, and impeller area just for insurance.

Here is as close as a comparison as I have recorded before:
Air temp 72F
Humidity 43%
Head: 158-162 F
Coolant: 133-138F

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