CRF 450 / 250 Coolant / Oil Weep Hole Leak: Fix And Modification! In Depth!
A lot of people have issues with their weep hole leaking coolant. This is the best guide to fixing it. Includes water pump rebuild with all steps and tips, and then a simple modification that has a significant impact. Also explains the importance of your counter balancer.
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Recommended Parts List:
GASKET, R. COVER
11394-MEB-670
*OLD STYLE (2002-2005)*
IMPELLER, WATER PUMP
19215-MEB-670
*NEW STYLE (2006-)*
IMPELLER, WATER PUMP
19215-MEN-850
GASKET, WATER PUMP COVER
19226-MEB-670
WASHER, SEALING (7MM)
90447-KE1-000
BEARING, RADIAL BALL (12X28X7) (NTN)
91001-KA4-003
OIL SEAL (12X22X5) (ARAI)
91201-148-003 91201-965-000
SEAL, WATER PUMP (NOK)
91211-KA3-761
SHAFT, WATER PUMP
19241-MEB-670
Disclaimer: I create these videos with the intent to help, I try and upload videos on subjects that are at least rare and hard to find if not the only ones of their kind, the internet is a great resource and I try to contribute, everything I share in my videos is as much knowledge and experience as I have gained on the subject, that does not guarantee I know everything about it, as I most likely have not, feel free to do as much research about what I say as you like, this being said I will not take responsibility for any damaged caused to your vehicle.