Trim switch wiring must NOT be twisted through the inner steering handle and wire guide. Carefully pull trim switch wires through inner tiller handle as twist grip assembly is installed. Binding indicates trim switch wire twisting. Be sure the indicator line is positioned with the speed range symbol on the handle. Snap the grip into place. Turn self-tapping screw counter-clock-wise until threads of screw engage threads of screw boss.
Failure to follow this procedure will damage the screw boss threads. Install new tie straps in locations shown, refer to Control cable routing on p. Install bottom cover of tiller handle with seven screws. Route throttle cable through grommet in lower motor cover. Apply soapy water to the cable and the inside surfaces of grommet. Place throttle cable in position. Adjust cable anchor so throttle cam is against idle stop when throttle cable anchor aligns with mounting hole in throttle body.
Rotate twist grip. Make sure throttle cam goes to full throttle without bending cable, and still returns to IDLE stop. This instruction sheet uses the following signal words identifying important safety messages. Remove the throttle cable anchor screw and washer. Remove cable retainer.
Remove throttle cable from grommet in lower engine cover. Loosen throttle friction control so there is no restriction on grip. Remove seven screws and bottom cover of tiller handle. Disconnect trim switch connector. It is not necessary to completely remove trim switch wiring. Pull the throttle pin out of the cable.
Remove the throttle cable retaining clip. The throttle cable may seem like a simple part of your bike, but it can keep you from riding if not properly maintained or replaced. Read as we take you through cable maintenance and install tips for a new ProX throttle cable.
The throttle cable connects your mind and body to the heart of your machine, which makes it an incredibly important link. Worn, damaged, misadjusted, or corroded throttle cables can lead to dangerous riding conditions and poor engine performance. Most service manuals suggest checking throttle operation after each race or every 2. Along with this generic recommendation, engine performance can also be an indicator of cable issues.
Poor full throttle operation may be a sign that the throttle cable has too much slack. An engine that is difficult to control or has an erratic idle may indicate that there is not enough throttle cable slack. Within the service manual, you should find free play specifications, throttle cable routing information, lubrication info, and the prescribed tensioning procedure. The throttle cable should be visually inspected for damage. Cracks, kinks, corrosion, and severely worn areas due to rubbing should all be cause for concern.
Throttle cable free play is typically checked by measuring the amount of throttle grip movement relative to a fixed point on the throttle cable housing. This can easily be checked by referencing a predominant feature on the throttle grip, or marking it with a marker and measuring the amount of motion relative to the housing with a ruler, scale, or caliper.
All throttle systems designed for powersports applications are designed to fail closed in the event the throttle cables break or the rider loses control of the machine.
Return spring pressure can be inadequate if the throttle cables are sticky, binding, or if the throttle grip is binding on accessories such as handguard mounts. Check throttle operation by fully opening the throttle and letting go. Confirm that the throttle quickly and easily returns completely to the closed position. Check throttle return with the handlebars all the way to the left, centered, to the right, and halfway between center and full stop on each side.
If the throttle does not completely return the cable may be binding, incorrectly routed, frayed, or corroded, which warrants further investigation. Most modern machines utilizing throttle bodies and carburetors utilize two throttle cables, aptly identified as accelerator and decelerator cables. Older carbureted machines often only feature one throttle cable. The number of adjustment locations will also differ depending on the machine in question.
Some applications have adjustment points at the throttle body or carburetor and at the throttle cable housing, while others have a single adjustment point on the throttle cable housing. The first step to adjusting dual throttle cable machines is to remove any necessary dust covers and identify the accelerator and decelerator cables. The accelerator cable goes into tension when the throttle is twisted open and the decelerator cable is put in tension when the throttle is closed.
Each cable is often easily identified visually by looking at the housing design or by making minor adjustments and determining what is affected. To adjust the cables, the locknuts are loosened and the cable adjusters are turned in to slacken or out to tension them.
This can be accomplished by hand or with an appropriately sized wrench. Commonly, the decelerator cable is adjusted first. Decelerator cable tension is usually set so that there is no play when the throttle grip is completely closed. Once the decelerator cable has been set, the accelerator cable is adjusted.
The accelerator cable tension is usually set so that mm of free play is present in the throttle grip. Once the correct tension has been applied, the lock nuts should be snugged and any dust covers should be slid back over the adjusters. Thank you. Peter 25 years of experience. Request Peter. Jeep CJ5 V Peter is amazing. He was totally professional. And very trusting.
He did the job in the time frame and gave me great tips for my car on how to care for it. I would use and recommend Peter for sure. Shaun 16 years of experience. Request Shaun. Ford F V Service was Excellent. Danny 11 years of experience.
Request Danny. BMW i V Did a solid job and was great to work with. Room for improvement: stick to scheduled appointment. My appointment was rescheduled 3 times. Need Help With Your Car? Related articles. As As you drive through the streets and encounter different speed limits, you rely on the accelerator to speed up when needed. This is done through the use of the throttle control cable, which is also called the accelerator cable Read more.
How to Replace a Throttle Return Spring Replacing a failing throttle return spring is essential to keep driving safely. It requires needle nose pliers and some hand work. How to Replace a Throttle Controller The throttle controller uses data to open and close the throttle. Common signs of failure include poor performance, stalling, and and rough idling. Related questions Between 50 and 70 mph when I accelerate the car is shaking Any ideas whay????
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