So I recently bought an '08 yz450f, the bike was clean, with a few aftermarket goodies. It came with a Rekluse auto clutch, DRD titanium exhaust, break away levers and a few other things. I saw the ad on craigslist and called the owner, the next day I went to his house to look at it. I see and hear a cold start, we let the bike warm up and I take it up and down his road. The bike felt great, up and downshifted nicely and I didn't hear any unwanted noises. He tells me that the bike just had the suspension re-valved, the valves adjusted, new chain and sprockets, he also says that he is the second owner and the bike has sat for almost a year. After looking over the bike some more we agree on a price, we sign the title and I got me a bike. The next day I thought I'd be a good idea to drain the oil, see what it looks like and put in some fresh 10w-40. When the oil drained it was a little discolored, but I decided it smelled and felt okay, so it was probably from sitting so long. I change the oil, start it up and let it circulate.
The next day I noticed the coolant looked low, so I got a funnel and started pour some into the radiator until it was full. Then I started the bike and walked away and let it get warm. After a few minutes of idling I heard gushing and burping sound, I turn to look at my bike and I see coolant coming from a hose. I thought I had put too much and it just burped out the extra. Well, then I followed the tube it came out of and it came out of the top of the head, which I'm guessing is just a vent hose for the head.... So either I got a effed casting or gasket.
My question is, should I rebuild it the same, big bore kit, sell it, or some kind of combination of those three? I'm trying not to get in too too deep, I still got bills and a girlfriend.
The next day I noticed the coolant looked low, so I got a funnel and started pour some into the radiator until it was full. Then I started the bike and walked away and let it get warm. After a few minutes of idling I heard gushing and burping sound, I turn to look at my bike and I see coolant coming from a hose. I thought I had put too much and it just burped out the extra. Well, then I followed the tube it came out of and it came out of the top of the head, which I'm guessing is just a vent hose for the head.... So either I got a effed casting or gasket.
My question is, should I rebuild it the same, big bore kit, sell it, or some kind of combination of those three? I'm trying not to get in too too deep, I still got bills and a girlfriend.
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