Smokestack Posted April 18, 2010 Report Posted April 18, 2010 Well im all stock with TORS removed. Air box has alot of holes and no lid with KN filter. I had the bike all apart for winter rebuild. Now that its back together its getting HOT...really HOT. It seems like it over heats in around a minute of idle time I kept the rad cap off and let it run. Tons of flow and no bubbles. I have stock carbs with no tors with 27.5 pilot and 330 mains. Only motor mods was new carbs and reeds and timing plate set to +4. I tore it apart a few times now to check it was all ok and right. I cant find a air leak to save my life. Yet i start it and it starts right up. Runs great. Tons of power. but over heats really fast Quote
Smokestack Posted April 18, 2010 Author Report Posted April 18, 2010 Oh and i have good smoke and carbs synced. I even added some oil to the tank and its the same This is driving me nuts Quote
BigMatt Posted April 18, 2010 Report Posted April 18, 2010 how old is the radiator.... radiators do go bad if they get a build up in one of the channels, on cars you can get them rodded but for some thing this small its alot cheaper to just buy another one. are you dumping coolant into the overflow? any crossed hoses? make sure you ran the small head coolant line threw the small steel loop so that your head breather is not pinched between the gastank and frame. all in all sound like your on the right track, but one thing for sure is you sould do a leak down and rule out a head gasket. the banshee coolant system is very simple so you'll figure it out is something stupid. Quote
Smokestack Posted April 18, 2010 Author Report Posted April 18, 2010 Ok thanks for the reply. I think im ok I just thermo shot everything I have a little gun for my RC stuff but the guy across the street brought his snap on gun. I get 160 on both hoses coming from the motor. I didnt to the top one. And the rad reads 170 at the top and drops to 140 at the bottom. Does that mean i am backwards? That was after about a 20 minute idle in the front yard Head reads 190 both sides. Water pump cover reads 170. Pipes read 320 but chrome throws all kinda readings...but they are too hot to touch. And before i could wrap my hands around them with no issues Is this ballpark or is the rad shot? This is all at idle..i didnt ride at all. Just kept blipping the throttle and that seemed to cool it down. Oh and the temp here right now is 47F so its not hot at all. Quote
Smokestack Posted April 18, 2010 Author Report Posted April 18, 2010 Ok and a side note my duratraX flashpoint was always within 1 degree as his 300 dollar snapON So all good there . And i dont know about the rad. I do have alot of bent fins. Its a 93 bike so im sure orig from fac crap. Quote
BigMatt Posted April 18, 2010 Report Posted April 18, 2010 you cant shoot anything shiny with a temp gun and get a accurate reading. I cant remember right but i think the bottom hose should be warmer than the top rad to head hose. how long does it take to get to 160? 160 is a good temp, but not if it gets there in a minute or two. I dont let mine get above 200, than I shut her down, one thing you could do for alittle insurance... If you got the cash buy a trail tech computer, I got one and it saved me from frying some rings at the dunes last year. Quote
BigMatt Posted April 18, 2010 Report Posted April 18, 2010 also It would not be a bad Ideal to set that radiator on a work bench, take a small screw driver and straighten them fins. Quote
Smokestack Posted April 18, 2010 Author Report Posted April 18, 2010 Thanks i will do that now with the fins Quote
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