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So i fired up my motor last night its a 05 crf 450 and there were two things i don't know about. First there is a .040 hole under the water pump and water is dripping pretty good so does that mean the water pump need to be replaced? And second after only firing of the the motor and running for about a min and a half the header is read hot (it was at like 930pm) so its easy to see, but is that normal or should i check stuff, jetting, valves? Help!!!!!!! Please!!!! Thank you!:bonk:

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every bike and quad i have does the same thing i think its normal

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as william said, glowing header is normal! especially at night it will glow red very quickly. It may be lean, but it will glow at night even if jetting is spot on.

.. there are dozens of threads on leaking weep holes and the easy fix.

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