TURBLUE
TY 4 Stroke Junkie
- Joined
- Nov 1, 2005
- Messages
- 620
- Age
- 49
- Location
- Southern Alberta
- Country
- Canada
- Snowmobile
- Sidewinder MTX
Just wondering how often the clutches should be rebuilt......I know it depends on the type of driving.....but how many miles are you going before the clutches need to be rebuilt?....Also the chain case chain, does that need replacing after certain amount of miles on boost?.......Just a few things I was wondering about........
My good buddy has climbmax's prototype RX1 that was made in 02, it has 3 different turbos, all mcx, from 5 to 20lbs of boost. Last seen speedo is was over 15,000kms. Chain blew up around 12,000kms, took out the chaincase, big mess. The clutches we haven't looked at yet, but I bet there over due for a rebuild. The sled is starting to fall apart, but the motor is sticking ticking along, and it gets the 
driven out of it.
driven out of it.
tko47
Extreme
I don't think your clutchs or chain are anything to worry about, I took the chaincase cover off every 500 miles just to look and thats all I ever did was look and I drove hard mostly harder snow with lots of studs. I did put a new bearing on the jackshaft behind the secondary after 2 seasons it felt a little rough when I spun the shaft without the chain on. if you put that much power to a kitty you'd get a volume discount on chains.
rxrider
Jan-Ove Pedersen
- Joined
- Apr 25, 2003
- Messages
- 7,355
- Age
- 59
- Location
- Lakselv - 70N & 25E
- Country
- Norway
- Snowmobile
- 2014 Phazer XTX, 2013 Phazer RTX, 2008 Apex RTX, 2007 Warrior, 2006 Attak
I have 10500 kms on my turbo. I changed the chain before going turbo 4000 kms ago, chain is now in its 3rd season. Checked chain tension before this season, could barely tighten the bolt any meaning the chain has not stretched any last year. I will run mine until it starts to stretch then change it for a new one. EDIT: this was done before I tore it all apart to inspect 
When to rebuild your clutches are depending on wear. Change out bushings and buttons when needed, I always inspect my clutches when preparing it for the season. Hard to tell how often. Last year I broke the towers holding the buttons in the secondary, changed the stationary sheave to a Apex 2007 partno. Much beefier towers.
At 10500 kms the chaincase is still in two pieces, nothing to worry about. Inspect every year, no cracks, no need to worry.
The things to worry about is the drive line bearings.
Speedo side drive shaft bearing I would change every year before season starts. Jackshaft bearing secondary side I would change every two years. The chaincase bearings runs in oil so I would change them every three years. Change chaincase oil on a regular basis. Open your chaincase on a yearly basis, take out chain and all gears, inspect and clean everything, reinstall and add new oil. Inspect oil level monthly, low oil level kills chains, gears, and bearings. If the chaincase runs dry it may overheat and lead to a catastropic failure.
When to rebuild your clutches are depending on wear. Change out bushings and buttons when needed, I always inspect my clutches when preparing it for the season. Hard to tell how often. Last year I broke the towers holding the buttons in the secondary, changed the stationary sheave to a Apex 2007 partno. Much beefier towers.
At 10500 kms the chaincase is still in two pieces, nothing to worry about. Inspect every year, no cracks, no need to worry.
The things to worry about is the drive line bearings.
Speedo side drive shaft bearing I would change every year before season starts. Jackshaft bearing secondary side I would change every two years. The chaincase bearings runs in oil so I would change them every three years. Change chaincase oil on a regular basis. Open your chaincase on a yearly basis, take out chain and all gears, inspect and clean everything, reinstall and add new oil. Inspect oil level monthly, low oil level kills chains, gears, and bearings. If the chaincase runs dry it may overheat and lead to a catastropic failure.
You really need to pull the chain and give it a good visual inspection to be sure. I had 2 broken links on one of our sleds at the start of the year and had to replace it. If I wasn't looking for this specifically it never would have shown up until it took the case out with it. This isn't something that you can generalize and say "the chain on your turbo is good for xxx miles". HP, traction, how you ride/race are all going to impact the longevity of your drive system.
