O/CbansheeRider Posted November 30, 2013 Report Share Posted November 30, 2013 Hey guys I've got a problem with my 04 shee spitting coolant when I shut down the engine. My bike is stock except for k&n pods and t5 exhaust. It really doesn't seem like overheating just some drips that hit exhaust. Bike is running great except for that. I'm riding dunes at sea level running 27.5 pilot 300 main. Compression is at 124 and 125. I'm going to build a leak down tester. Will it show if head gasket is leaking into coolant. I don't see bubbles in the radiator but kinda hard to tell with vibration. Thx for all the info on here I'm learning a lot. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Jereme6655 Posted November 30, 2013 Report Share Posted November 30, 2013 Before that happens.....how full are you filling your radiator? The banshee will spit out about an inch of radiator fluid out of the top of the radiator. Also a leakdown tester will find the coolant leak that is existing IF it is bleeding compression into the water jackets. It could also be the stock water pump that is screwed on your bike....as they are known to be the downfall of the banshee cooling system. Upgrading to a billet water pump and also upgrading to the mull metal water pump gear is a DEFINATE good upgrade. Quote Link to comment Share on other sites More sharing options...
O/CbansheeRider Posted November 30, 2013 Author Report Share Posted November 30, 2013 Thx for respond. Sorry I shoulda said I've already put billet pump and new plastic gear and new radiator cap. I filled bike three rides ago and haven't really checked level since then because I kinda thought maybe it was just dropping to where it liked to run. First time I took it out I filled the bottle in back to high and it really spit it out but since then I've not checked bottle just installed those parts and filled with pentosin blue coolant. I will check level when the sun comes up and see where it's at now. So if its sitting like one inch below top of radiator u think I am okay. Like I say the radiator is warm to touch but not overly hot. Thx Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
03DMshee Posted November 30, 2013 Report Share Posted November 30, 2013 They will spit till they happy...its an "overflow" bottle...id delete the fucking thing anyway Quote Link to comment Share on other sites More sharing options...
O/CbansheeRider Posted November 30, 2013 Author Report Share Posted November 30, 2013 Yeah I've read about deleting them so ill do it today but first need to fix my yz400f it keeps chewing the counter balancer key so I'm going to file some bigger stock to get tighter fit. As far as shee goes I just checked level in radiator after riding on turkey day and it was below fins in radiator. I added a quarter quart to get to 1" below full. Any suggestions? It was holding pressure after sitting since then. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
O/CbansheeRider Posted November 30, 2013 Author Report Share Posted November 30, 2013 My bike usually finds it happy spot within fifteen mins of riding but it's getting a little tiresome smelling freeze and worrying the whole time I'm riding. I think I'll try to find one of those temp guns to point at bike when I ride next. What temp do these engines run at? Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
sleeper06 Posted November 30, 2013 Report Share Posted November 30, 2013 Might want to lap the flywheel on the yz to get tight fit between crank and flywheel Quote Link to comment Share on other sites More sharing options...
O/CbansheeRider Posted November 30, 2013 Author Report Share Posted November 30, 2013 It's not the flywheel but in clutch cover. I guess on the 426 they went to splines. I'm hoping to file key to fit otherwise Idk what to do cause crank would need to be replaced. I love the bike but its getting pretty old and I think a smoker be nicer. Funny I didn't have problem for three years then I've been riding in sand lately instead of trails. That's how I caught what i call the banshee fever. Some random guy offered me to ride his 100 horse banshee then I was hooked. Now I got five quads even my mother in law ridin now. The Hard parts having to keep everything tip top. Lol Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
J-Madd Posted November 30, 2013 Report Share Posted November 30, 2013 Yeah I've read about deleting them so ill do it today but first need to fix my yz400f it keeps chewing the counter balancer key so I'm going to file some bigger stock to get tighter fit. As far as shee goes I just checked level in radiator after riding on turkey day and it was below fins in radiator. I added a quarter quart to get to 1" below full. Any suggestions? It was holding pressure after sitting since then. Sent from my iPhone using Tapatalk If it was holding pressure while cold you definitely have a leaking head gasket. Quote Link to comment Share on other sites More sharing options...
O/CbansheeRider Posted November 30, 2013 Author Report Share Posted November 30, 2013 Ok thx. I kinda thought so cause my other bike had no pressure when pulled cap. So should I check squish before taking head off. I know it's all stock and would like to get it dialed but kinda outa my element with building engines. I'm guessing everyone will tell me to tru/weld crank which I'll probably do cause I don't want it to come apart. I've already talked to cam about my trx250r for some top end work so I'd just use them us I like that there in Oregon. I like the power the shee has now except six gear is pretty worthless so if all I do is mill my head a little could I ride for like a year before full tear down then worry about tru/weld when is do top end and some porting? Thx again for help Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
O/CbansheeRider Posted November 30, 2013 Author Report Share Posted November 30, 2013 Heres a pic my shee. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
03DMshee Posted November 30, 2013 Report Share Posted November 30, 2013 You can also buy the temperature stickers for the top of you rad if u wanna have some sort of an idea on temp on the cheap...look up pro design temp strips...there like 20 bucks for 3 Quote Link to comment Share on other sites More sharing options...
Jereme6655 Posted December 1, 2013 Report Share Posted December 1, 2013 if you want to ride your bike for a year before you rip it down and have it rebuilt....that's fine. Just before you get out there and run it hard I would suggest doing a few things... 1) a compression test......you never know where your motor is unless you check....and unless you pull the head you'd never have any idea that it may already have a shaved head without looking at compression numbers. 2) a leakdown test.....build this tool....it will literally save your motors life and save you sanity....not to mention it will cost about $12 to build the tool that you will use EVERY time you pull any internal gasket/seal out. 3) Pull your jets out and let us know what mainjet # and what pilot jet # your bike has in it. Then we can give you a close idea where you should be.....then you can go do a plug chop and dial the bike in......however since its now becoming winter....I would NOT just skip right to doing the plug chop like most new guys will think is perfectly fine. Remember....its a 2 stroke....when you starve it for fuel....your also starving it for oil.....and when the temp drops, your main jet sizes need to increase to provide more fuel and oil.... Quote Link to comment Share on other sites More sharing options...
O/CbansheeRider Posted December 1, 2013 Author Report Share Posted December 1, 2013 Comp. 124&125 main jet 300 pilot 27.5. I will leak down today thx. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
trickedcarbine Posted December 1, 2013 Report Share Posted December 1, 2013 Good start Quote Link to comment Share on other sites More sharing options...
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