,03 wr450 clutch problem, and water pump
Posted May 19, 2008 - 03:34 PM
the water pump also leaks,, thers a hole on the bottom on the pump and coolent comes out of ther. i change the seal (oil seal #1) and it stop leaking for a few rides and started agin. any way i can fix this problem??
Posted May 19, 2008 - 04:01 PM
if your clutch is adjusted properly and you still have the problem you probably need a new clutch .
your not using different oil or anything then you did previously ?
i would pull the cover and inspect the clutch for wear .
Posted May 19, 2008 - 06:35 PM
Posted May 19, 2008 - 07:02 PM
I just had the same problem this weekend on the water pump. I replace the seal but it kept leaking. now I just need to replace the impeller and the seals and shaft.
There are 2 seals, one keeps the oil back and the other holds the coolant back. The coolant seal is the one that always seems to leak, (I've never heard of anyone dripping oil from the weep hole) and if you're leaking coolant then that's the bad one. It's a good idea to replace both of the seals and the shaft while you have it apart. You may not aways need it, but you won't really know until you put it back together.
Make sure the seals go in the proper way. Installed the proper way they expand under pressure. If you put them in backwards they don't seem to seal well, and be very careful of the little springs that run around the inside lip of the seal. I knocked one off when popping the seal in place.
Posted May 19, 2008 - 09:22 PM
Posted May 21, 2008 - 09:53 PM
i fooled around with the clutch today and ajusted it as much as i could and it looks like it works ok,, ia'm takeing it out this weekend so i'll kown if it work or not,, but i'll be ordering a new clutch soo
but the water pump still leaks, i change the first seal and still leaks any thoughts???
Posted May 22, 2008 - 03:53 AM
You have to change the seal between the impeller and the bearing, but like Frostbite said - change both and the shaft as well if it's got scoring.
Your oil could be dirty - causes clutch grab. When did you last change it?
Posted May 22, 2008 - 10:15 AM
Make sure you put the seal in with the hollow bit facing you ( as frosty said they expand under pressure.) and the flat side away from ya.
This seems to be a common problem so its worth thinking about , the job only takes 15mins , you only have to drain the coolant where you are working (the bottom bolt!) not the whole bike v.easy even for a coward like me !
Posted May 27, 2008 - 03:49 PM
Posted April 16, 2009 - 01:17 PM
Posted April 18, 2009 - 02:12 AM
it's a new clutch, new cable and new springs everything is from yamaha. the clutch lever is still hard to pull, and when the bike is on its very hard to get in into neutral. any sugjestion?