When you place your weight on the sled, if it is not set properly this balance is not achieved. If you weigh more than the average bear and do not change the rear preload, then the sled will squat too low in the rear and lift up at the front, leaving less pressure on the skis for balanced steering and handling in corners.
Traction will be awesome, maybe even too good, and the front end will be loose. Or, if you weigh less than what the sled is set for, the rear of the machine will not squat down far enough and the track will be far more prone to spinning, causing poor traction. The tail of the sled will be loose, wanting to slide out around corners, and the steering will be heavier, even darty, with more weight on the skis and less being carried on the rear of the sled. Each sled has a particular method for increasing the rear preload, or spring tension, to carry more or less weight.
Typically each sled is going to target a specific ride height, or maybe a specific amount of shock compression some Yamaha models. Once you establish this baseline you can then make adjustments as needed for specific behavior or specific conditions, or your own personal preferences and priorities. Your email address will not be published. Post comment.
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Ski-Doo is launching a program to support grassroots organizations Step 6: Set Rear Loaded Sag Also known as race sag, loaded sag is the amount of suspension displaced by the load applied to the vehicle; for example, the weight of the rider plus gear, luggage, etc. Apply the rider in riding position with gear and any additional load being carried.
What you are looking for here is to make sure that the coupler device is centered within its forward and rear stops; adjust the torsion springs to achieve this position.
Setting the couplers in this position provides the ideal location for the rear suspension to feel balanced with the front. Loaded sag for the front suspension is virtually negligible. Note that the similarities of the problems described below are in many ways all linked to the ride height setting. Problem: Body rolls or dives in corners Possible solution: Try adding preload to the front springs. If your snowmobile comes with a progressive wound coil spring, there might not be enough initial rate available without affecting ride quality at the mid and bottom of the stroke.
Installing a single-rate spring or a more-effective dual-rate setup with adjustable ride height and rate is an effective solution. A sled with a lower center of gravity will typically outperform a vehicle that sits up high. Most roll or ski tip situations are generally related to excessive spring preload that was added to increase bottoming resistance. Problem: Heavy steering Possible solution: Heavy steering can be tricky to solve, and we often see adjustments in the rear suspension affecting the cause.
If you are experiencing this on a sled with stock skis and carbides, check the rear torsion spring setting, center shock spring preload, and possibly reduce the amount of coupling action. Make sure center shock spring preload is 5 to 10 mm. Typically, more preload to the center spring causes track spin, rear kick-up and a harsh ride.
Remember, when you create load in the rear, the load is transferred to the front. In some cases more torsion spring preload will reduce load to the skis by holding the rider higher in the travel and away from the coupler stops. Problem: Inside ski lifts when trying to accelerate out of a corner Possible solution: Make sure that your ride height is set correctly and you have good front to rear balance.
In many cases we have found that increasing the rate of coupling, which reduces weight transfer, will transmit more load to the skis. One of the most common misunderstandings is the shock has failed, causing excessive sag. Instead, check ride-height settings. Subscribe to Snow Goer now to receive issues delivered to your door 7 times per year for a low cost.
Check you ski toe! I just adjusted mine. It was major toe out. And was all over the place. Ever sense new. Adjusted it and wow. I have a Polaris iq shift , i was wondering how to set up the shocks more for jumping. Any ideas???? The sleds suspension doesnt really seem to have any spring. I sit on the sled, it sags. I get off the sled, it stays down. I lift up easily at the rear of the sled and it raises. I let, and it stays.
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