I was out last weekend after a fresh batch of pow. Playin around and noticed my sled was hitting 8450 rpm. What is the norm? and what could i do to fix this?
2010 Rmk 600 hitting 8450 rpm's
- Thread starter labrador
- Start date
S
SaskRMK
Active member
Do you know what weights are in the clutch? Your going to have to go with a heavier weight for lower RPM in the altitude you were riding in. I beleive you should be reving out to 8250 RPM
Some one correct me if I'm wrong
What the MAX RPM a 600 cleanfire should be running at?
Some one correct me if I'm wrong
What the MAX RPM a 600 cleanfire should be running at?
I was wondering...last season it was hitting 8250 in pow and on the trail.
Would it be possible that i need to replace some clutch components?
Would it be possible that i need to replace some clutch components?
its was set up to run 0-2000ft by dealer
not sure of the weights that are in it.
V
volcano buster
Well-known member
How many miles on the sled? What condition (age) are the clutch springs in?
Usually if you start revving over 8400 RMPs your motor actually starts losing horsepower on the Dyno. I don't know exactly how accurate these electric gauges are but I would say 8200-8300 you are fine as long as you’re not hitting the rev limiter. But if you do want to lower RMPs, try new weights.
ex if you have 10-66, try 10-68. You can change them out in less than 10 min, it’s real easy!
ex if you have 10-66, try 10-68. You can change them out in less than 10 min, it’s real easy!
sled has 3000 km's on it now. approx 90 hrs Never looked over the clutch's yet.
mentioning the rev limiter..i got bogged down in the pow and gave it ****, (once already stuck) and it did bounce off the rev limiter.
Thanks for the advice.
Also,
Say my sled was working at its utmost rpm say 8300.
If I geared the sled down should i lower or rise clutch weights?
mentioning the rev limiter..i got bogged down in the pow and gave it ****, (once already stuck) and it did bounce off the rev limiter.
Thanks for the advice.
Also,
Say my sled was working at its utmost rpm say 8300.
If I geared the sled down should i lower or rise clutch weights?
Stock porting?
Stock pipe?
Anything done to it at all?
8400 at the house isn't bad if you plan to ride at 1000 or 2000 feet higher in elevation.
If you gear down, you COULD gain MORE rpms. OR you could lose r's.
Depends on how well you are clutched already.
But you won't know until you try.
Stock pipe?
Anything done to it at all?
8400 at the house isn't bad if you plan to ride at 1000 or 2000 feet higher in elevation.
If you gear down, you COULD gain MORE rpms. OR you could lose r's.
Depends on how well you are clutched already.
But you won't know until you try.
All stock. just plugged the exhaust valve purge hoses.
I am typically leaving from home at pretty much sea level and riding 80 kms to the mountains. which max elevation i have recorded on gps is 2800ft.
I am typically leaving from home at pretty much sea level and riding 80 kms to the mountains. which max elevation i have recorded on gps is 2800ft.
If you picked up 200 rpms in the off season without touching anything then you have somthing to trouble-shoot.
Things don't usually start running higher RPMs just by sitting over the summer.
Air intake leak? Did you change plugs?
I'd say it's not going to be cluthing. When clutch components (spring, bushings, weights etc) wear or fail, you always LOSE rpms. If we could all gain R's by letting stuff wear out....everyone would be running like a cheetah.
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Ahhh. A sure way to test that is to open them back up and see if you lose those 200 rpms.
LMFAO. I agree. could very well be a intake leak, as i did have the box and throttle boddies if it to install a oil pump return spring.
Ran them plugged all last season. worked very well
belt is also squealing like a banshee. would a broken motor mount make it hit the rev limiter.
Figured it would be a good starting point to clean clutches, so did so. no change.
Figured it would be a good starting point to clean clutches, so did so. no change.
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I noticed the squealing, checked the belt, it had about 1 3/4" sag. Adjusted it to about 1 1/4" sag. belt is now at the point where the sled just about moves at idle and still squealing.
