What does the secondary clutch do on a golf cart?
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Yamaha driven clutches are better known as a secondary clutch. This clutch attaches to the rear end and is used to propel your golf cart to higher speeds. The clutch is closed until the motor turns over.
What is a driven clutch?
The driven (or secondary) clutch bolts onto the input shaft of the differential. The driven clutch sheaves are spring loaded together and the belt, at rest, rides up at the outer edge.
What is a secondary clutch?

The secondary clutch is mounted to the input shaft of the transmission, transaxle, or the like. In modern CVT systems such as those used in recreational vehicles, the secondary clutch has two functions: as a “slave” to the primary clutch and to provide a torque sensing element.
How do you adjust a centrifugal clutch?
If your centrifugal clutch needs adjustment, follow the steps below….

- Step 1 – Loosen the Set Screws.
- Step 2 – Loosen the Crankshaft Bolt.
- Step 3 – Reposition the Clutch.
- Step 4 – Tighten the Set Screws and Bolt.
Is a centrifugal clutch automatic?
A centrifugal clutch is an automatic clutch that uses centrifugal force to operate. The output shaft is disengaged at low rotational speed and engages more as speed increases.
Do golf carts have clutches?
However, because many people these days don’t drive stick-shift, they have a difficult time adjusting to the clutch when they purchase a new or preowned gas-powered golf cart. The CVT is comprised of two separate clutches that are connected by a thick drive belt.
What does the secondary clutch spring do?
More spring force “increases the upshift point” and allows the engine to build more horsepower before the clutch starts to upshift. From the secondary clutch looking at the primary clutch; More secondary spring force resists the push of the primary clutch lever and allows for more rpms.
What’s the difference between a primary and secondary clutch?
The secondary clutch is a much larger diameter than the primary clutch and the belt wraps around the outside of the two sheaves, again one being fixed and one being movable. When the primary clutch begins to shift it forces the belt higher in the primary clutch.