Motorcycle Repair, Building, and Restoration, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Upon successful cable routing, begin the reassembly process. Learn how to properly adjust throttle cables on Harley Davidson motorcycles. Loosen and put slack in both the throttle (pull) and Idle (return) cables. Basic throttle cable adjustment for the /2. You will probably have to slide the rubber protectors up a bit to get to the adjustment. Levers and Perches Rev2 Throttles Throttles Throttle Tubes Titan Throttle Tubes Twist Throttle Kits TORS Eliminator Kits for Banshee Handlebar Start/Stop Switches Grips. This is important to prevent sticking and potential problems when shifting or adjusting speed. This can be accomplished by hand or with an appropriately sized wrench. Powersports, Check turning the bars both ways. 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. These simple mechanical devices give the rider a means of controlling the throttle, clutch, and brakes (where applicable) from the handlebars or foot pedal. Discussion Starter • #1 • Jan 4, 2006. The throttle cable or cables (larger motorcycles have more than one) open and close the throttle valve on the carburetor or throttle body. Release the cable and adjust the adjuster as needed. Oftentimes, this could be due to maladjusted clutch cables. Are there other places to adjust the cable, or do I need to adjust the throttle linkage on the carb? Secure the motorcycle so it does not wobble when you work. After you release one of the cables, the other will slip right off. Then he shows you how to remove and clean or replace the air-cleaning element, and finally how to install Harley’s newest model of their fuel-injected carburetor. think of the adusters at the engine end and the rough adjustment. Adjust the decel (push) cable so there's lots of slack. 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. Your throttle cables will have two points of adjustment: At the carb body. Your vehicle may look different depending on the make and manufacture. Buyers Guide. Note the accelerator and decelerator cable positions. Ducati Ebike Lineup Coming to America 2021. Any dust covers protecting the cable adjuster should be removed first. verify the throttle will snap shut with the handlebars at the left stop, right stop and straight forward. For motorcycles in need of replacement cables, the good news is that most cables are available or can be manufactured to order. Again, this can only be done with the gas tank off. Once removed, the cable can be loosened and removed from the carburetor cap. 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. Turn the cable adjusters on the throttle grip housing all the way in, then turn each of them one turn out. Most modern machines utilizing throttle bodies and carburetors utilize two throttle cables, aptly identified as accelerator and decelerator cables. Sourcing OEM parts from a dealer can lead to overpaying, so it’s common for people to turn to the aftermarket. Explore Our Forums. Cracks, kinks, corrosion, and severely worn areas due to rubbing should all be cause for concern. On machines with multiple adjustment points, minor adjustments are made at the throttle cable housing and major adjustments are taken care of on the throttle body/carburetor. I've purchased a new throttle cable and I've got the adjustment on the cable set to zero (meaning no stretch), but when I put it into my carburetor, it's holding the throttle really far open. verify the throttle will snap shut with the handlebars at the left stop, right stop and straight forward. Increases or decreases in idle speed may suggest that the throttle cable is binding either due to tight spots or cable routing. Adjusting and lubricating the throttle cables on a Harley Davidson motorcycle is a very simple process that can be accomplished in just a few minutes. WonderHowTo Maintenance WonderHowTo Gadget Hacks Next Reality Null Byte. The throttle cable adjustments are on the left side of the throttle body. Pick a spot on the grip and watch it to measure the free play. Tech. Shortening the cable will have later shifts that are harder. For a better experience, please enable JavaScript in your browser before proceeding. Once the correct tension has been applied, the lock nuts should be snugged and any dust covers should be slid back over the adjusters. Start by loosening the throttle cable adjusters on the throttle housing and slackening the cables. adjust the IDLE cable so that there is minimal free play in the throttle grip (slop), but not so tight as to prohibit the throttle grip from snapping shut from wide open. First, put the motorcycle onto a lift so that it stands flat on the ground. Systematically inspect the cable from the throttle grip to the throttle body/carburetor as best as visually possible. Note the locations of the accelerator and decelerator cables prior to removing them. Once the new throttle cables have been installed and the return checks are complete, finish the job by reinstalling any items that required removal to gain access to the cable system. With the engine idling and in neutral, rotate the handlebars from stop to stop and listen for any changes in idle behavior. A throttle cable is a throttle cable. Step 1: Mark the current cable length. Most service manuals suggest checking throttle operation after each race or every 2.5 hours of operation. Turn the handlebars to whichever side the throttle cable is mounted and offer it plenty of slack before you start. Adjust the cable with 10mm wrenches 1 STEP 3 If the throttle control and cable are (under throttle grip) Turn the adjuster in completely so as to give the throttle grip plenty of play. It is really easy to adjust the throttle cable on a bike, but in case you need to adjust your throttle cable and don't know how, this motorcycle tutorial will show you how on a Honda bike. Loosen the locknuts with an appropriately sized wrench (or your hand) and alter the cable adjusters to turn them for slack or tension, whichever is needed. If the free play is incorrect, adjust the throttle cable (see below). Controls. The elbow can be found attached to the top of the carb or where the cable enters the throttle assembly. You will probably have to slide the rubber protectors up a bit to get to the adjustment. Slide the rubber boots off of the throttle cable adjusters located near the middle of the cables. If the old cable routing is suspect, confirm with your service manual the factory prescribed cable routings. Adjusting Your Levers. It's a quick process and important to keep your motorcyle running smoothly. Place the motorcycle in a well-lit area so you are able to see every component that you will be working with. (back and forth movement of the throttle tube) 5.) To adjust the cables, the locknuts are loosened and the cable adjusters are turned in to slacken or out to tension them. Next, tighten the deceleration adjuster (the cable that pulls the grip into the throttle-closed position) so that there is no slack when the throttle is held closed. Over the Holidays I replaced my old cables with the newest cables and the repair kit on the right grip but I can't quite get the adjustment right. He also shows you how to remove and reinstall the air cleaner. If you have trouble visualizing the measurement, hold a metric tape measure up to the grip. Harley Throttle Cable Adjustment. Your service or owner’s manual should provide all the pertinent cable adjustment information you need for your specific make/model of machine, and should be used to complement the advice and recommendations provided in this write-up. 1. The accelerator cable tension is usually set so that 2-3mm of free play is present in the throttle grip. Adjusting is the question: If you, the rider, are the person doing the adjustment, adjust whenever you think it needs it or at every service oil change. Knowing how to adjust your throttle cables properly is a great way to custom fit your bike to you and what you are comfortable with. Throttle freeplay is a terribly overlooked adjustment that can change both the reaction and comfort of your motorcycle. Once this is done, unless otherwise specified, use the throttle body or carburetor adjustment features to take the majority of the slack out of the cables. On single cable carbureted applications featuring round or oval slide carburetors, unscrew the top cap of the carburetor where the throttle cable enters the slide. The cap is fitted over one, or in some cases, both ends of the cable to keep it the plastic coating from pealing back. Single throttle cable adjustment is straightforward. Full Forum Listing . However, it’s important to be careful not to sacrifice quality for cost. XJ550H, Jan 29, 2018 #14. think of the adusters at the engine end and the rough adjustment. Step 2 - Removal Now, adjust the acceleration cable’s adjuster until the desired amount of free play is present in the grip and tighten its locking nut. adjust the IDLE cable so that there is minimal free play in the throttle grip (slop), but not so tight as to prohibit the throttle grip from snapping shut from wide open. © ProX Racing Parts. Adjust the cable by a small increment then have your helper press the gas pedal all the way down and check the cable at WOT. snug the idle cable adjuster lock nut. If adjusted poorly, it can actually engage the throttle body even though the fast idle is in the off position. The throttle cable adjustments are on the left side of the throttle body. For installing single throttle cable, you just have to remove the dust covers as mentioned above. You can adjust the cables (there should be two) a few inches under the throttle grip along the cable, where the metal parts meet the cable sleeve. Controls. ProX throttle cables are made with pre-lubricated nylon inner sleeves, tightly-wound steel inner cables, and a flexible PVC outer jacket, which, combined, ensure smooth cable operation and long life. Let’s dive into tackling this common maintenance task. 2020 MV Agusta F3 675. Compress the return spring and carefully remove any necessary hardware securing the cable end to the slide. Remove any necessary covers from the throttle body or carburetor to gain access to the throttle cable ends. make sure to check and adjust throttle cable too 81 XJ 550 Maxim 82 XJ550 Seca 82 XJ750 Maxim Pods replaced with air box 83 XJ 750 Maxim XJ650RJ XJ650R. Paul Olesen. The one pictured above is an example of the throttle valve linkage. 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. 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