Changing a CVT belt is one of the few real repairs an owner can do on the trail with hand tools. Cover off, belt out, belt in, cover on. The step that decides whether it goes well is the one in the middle: getting the secondary clutch to open far enough that the new belt drops down between the sheaves instead of being forced over the top of them.
Why the Secondary Fights You
The driven clutch is spring loaded closed. That is its job — it squeezes the belt so the belt does not slip. At rest, with the machine off, the sheaves are clamped together and the gap between them is narrower than a new belt. Nothing you do to the belt will make it fit through that gap. The sheaves have to come apart first.
A used belt that has worn narrow will sometimes slip in without much fuss, which is exactly why people get away with the wrong technique for a while. A new belt is at full width, and full width is more than the closed sheaves will allow.
What Prying Actually Does
The improvised method is a screwdriver, a tire iron, or a pry bar wedged between the sheaves while you lever the belt in with the other hand. Two kinds of damage come from that, and both cost more than the tool would have.
The first is a gouge or a raised burr on the sheave face. Those faces are the friction surface — the entire drive of the machine happens where belt sidewall meets that aluminum. A groove cut into it becomes a wear point that chews the sidewall of every belt you run afterward, and a raised burr around the gouge is worse than the gouge itself. You will be shortening belt life on every belt for the rest of the machine's service.
The second is edge damage. Levering against the outer rim of a sheave can bend or chip it. A bent outer edge changes where the belt sits at full shift and puts a permanent uneven load into the belt.
There is also the version where the pry bar slips, the spring-loaded sheave snaps shut, and your fingers are in the gap. That one does not need explaining.
Spreading It the Right Way
The correct approach is to compress the secondary spring in a controlled, square way using the clutch's own threaded center, so the sheaves separate evenly and nothing touches the friction faces. That is all a belt change tool does, and it is why it is one of the cheapest tools in the shop.
The Kawasaki Ridge / KRX Belt Change Tool fits 2024-2025 Kawasaki Ridge secondary clutches, all models, and 2020-2025 Kawasaki KRX and KRX4, all models. It comes with one bolt — other setups claim you need three, but only one is necessary — and it uses a 17 mm socket on grade 8.8 hardware. It also ships with Hunterworks Tink Seal lube so the threads turn smoothly instead of galling the first time you use it under load.
The Trailside Argument
Fourteen dollars and a few ounces is the entire cost of carrying it. A spare belt with no way to install it is a spare belt you are going to look at while you wait for a ride out. Put the tool, the spare belt, a 17 mm socket, the drivers for your clutch cover fasteners, and a pair of gloves together in one place on the machine, and a broken belt becomes a twenty-minute stop instead of the end of the day.
While the Cover Is Off
Since the belt is out anyway, spend two extra minutes. Wipe both sets of sheave faces down with brake cleaner and a clean rag until the rag comes away clean, because old belt dust and rubber film will start polishing a new belt immediately. Look at the faces for scoring — including any left by previous belt changes. Blow the belt dust out of the housing and check that the clutch intake and exhaust ducting is connected and clear.
Then give the new belt an easy first stretch of miles before you ask it to work. Light throttle, varied speed, no hard pulls. A belt that gets seated properly onto clean, undamaged sheaves is a belt that goes the full interval.
The Short Version
Sheave faces are precision friction surfaces, not pry points. Every mark you put on one is a mark every future belt has to run across. Use the tool.