first srx rebuild, need advice...

ottawaair said:
this is the wrong sport to save money and cut corners. Unless u like walking home.
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im buying new pistons... if i use old ones ill need bearings clips, and the rod thingy lol and rings, so ill save like 10 dollars if i don't buy pistons so im buying pistons
 
ya, same pistons i buy for all my sled rebuilds... never had a problem

How many sled rebuilds u do ?? u don't seem too sure of what u r doing, then u throw this out there ???
 
Nothing wrong with weisco forged pistons as long as you let it warm up. Which you should be doing anyway.
 
titanrcr said:
Hope your buying OEM pistons.....
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You guys know that a company named Art makes most of the oem pistons for japanese bikes and sleds and they also make pro-x and another brand I cant think of right now. Check ring end gap and piston clearances before installing and it shouldnt matter what brand piston you use.
A respected shop around my place uses spi pistons with good results unless u specify you want to pay more for oem. My buddys MXZ700 was rebuilt by them last season and he put over 2000km on that toilet last year mostly WOT on the river, still blowing 150 psi. Everybody has a story about how they never went w oem pistons and had problems etc but from my own experience ( rebuilt 5 differnt bikes in my life never went oem usually wiseco or vertex) never blown a motor or cold seized a bike or sled in my life.
 
u just want to watch forged vs. cast pistons. forger alum pistons expand, with heat, faster than cast pistons. this is where people have a problem with cold seize with weisco. The piston expands faster than the cyl. This is a real issue with iron sleeve cyl's., and most engine bldrs will clearance the bore more for forged slugs due to this. I have run many weisco pistons with good luck, but i use oem cast slugs in my sled due to the varying temp conditions sleds are exposed to. cast expands closer to the same rate as the cyl itself, so the piston is more consistent sealing throughout the temp cycles. bikes and atv's are usually not exposed to extreme cold starts & such. U will have no problem with weisco or any forged piston, as long as u let the engine get to operating temp before you load it too much, as loading the motor is what builds heat in the piston faster than anything. Most burn down are caused by lack of knowledge, not part failures.
 
ottawaair said:
ya, same pistons i buy for all my sled rebuilds... never had a problem

How many sled rebuilds u do ?? u don't seem too sure of what u r doing, then u throw this out there ???
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6 or 7... never touched a crank before that's why im asking so much help, and i want you guys to like "watch over me" so i know im not messing anything up... and today i installed one of the front fox shocks and it fit fine just had to use a large bar on the sway bar to get it to line up... i found what looks like a stud going through the front heat exchanger but it also looks like the studs just got too close and tore it up... i blew through one of the hoses and it seems to hold pressure nicely, does anyone know of a way to test it for leaking? and do you think i should just leave it be? im pulling the studded track off it because i hate studs
 
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