Bike running hot - check impeller?
After 1 year of no use really my bike did not carburate cleanly (as it did before) and so i have leaned it off to achicve this. Also though it is running hot to the point where it can start to boil over at the top of a tricky hill but when i have not got stuck - this has never happened to me before on a 2 stroke....
So I would like to check the impeller as i've heard it mentioned on here before but what am I looking for? Does a LTR one flow more coolant so keep things cooler? I did a search for HOT on this forum and the search returned nothing I assume there is a fault with the search function? I can't believe no-one has ever mentioned HOT before in a post... |
When I rebuilt my '06 EC300 last winter the stock impeller was nearly completely eroded away at 90 hours.
I run the LTR impellers in both of my GasGas 300's. They are top notch. Also check you water pump seal, as I have had 5 of them fail over the years. |
Thanks Eric - will check the impeller. here in teh UK it's hard to get hold of the LTR bits I've asked Go Fasters if they will ship a LTR jet kit out - is there anyone else that would ship the kit and an impeller out to the UK?
I may be able to get a friend to collect some parts while he is in the U.S shortly but I did that last year and it was such a pain to get the parts delivered to a hotel on time from GF's and to persuade my friend to collect them that I really don't want to do it again. |
I've just checked the impeller and it looks fine though it was a cream/green color which is a bit strange for plastic and also the central bolt was rusty.
Back to looking at the jetting then... |
If you had no boil over issues prior to lean the gas out then I would say that is your issue but after having the carb issue did you take apart the carb and check / clean it? Or just lean out the air screw? After a couple months of sitting I would totally clean out the carb along with checking the reeds. If you haven't done this and had no previous issues with your jetting I would not think you need to adjust what you have.
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Yes I was thinking what has changed - I even wonder if I am looking back with rose tinted glasses!
I think i'll have to check the carb even though I guess it's running richer so would not tie up with gunk etc blocking a jet. I also wonder if it's possible to run the bike lean so that it is borderline boiling over when riding/racing normally? Since this is mostly low speed riding I dont know. I could understand it more if it was wide open throttle |
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And what are the signs the water pump seal has gone? Thanks again. |
There was a ton of grass in the radiator louvres. I had not been removing them when washing since I have the LTR rad guards and you have to dissemble then to get the louvres out however I have now removed the top black plastic spacer so can get them out easily.
Still wondering whether to get some engine ice - probably a good idea as insurance. |
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When the water pump seal goes you see oil floating in the top of your coolant and/or a a milky mixture when you drain the transmission. |
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