It is very rare for the plates to meet the manufacturer’s specifications for thickness and flatness yet still slip. In general, clutch maintenance is due when the rider experiences one of two problems: slipping or dragging. Whenever you buy a new motorcycle, you always have to go through that awkward re-adjustment phase where you acclimate yourself to your new machine’s ergos and other little quarks like throttle sensitivity, shifting and clutch engagement. The first indication that the clutch is in need of maintenance is when it slips under heavy acceleration. How To Adjust A Motorcycle Clutch Lever | MC Garage - YouTube You will arrive to the point of having to perform a complete adjustment at some time though. … hit the adjuster at the other end of the cable. Needless to say, motorcycles used in heavy stop-and-go traffic will wear their clutches out much faster than a machine predominantly used on long highway rides. No adjustment is needed for this hydraulic clutch. If all of the above checks out, the rider should check the push rod. Unlike the cable clutch, the hydraulic clutch is self-adjusting. Planning a motorcycle ride in advance involved avoiding any hill starts for obvious reasons. Step 1 Pull the clutch lever in slightly with your left hand to measure the clutch cable's free play. By continuing to browse our site you agree to our use of data and cookies. This means frequent adjustments are not necessary to maintain the correct point of your motorcycle clutch. Loosen the clutch cable at the handlebar endwith the adjusting nut, to ensure that the ball-and-cam gizzer has nopressure on its cable end. Under normal circumstances, the cable can be tightened with the adjuster placed near the clutch lever's perch, while the remaining adjuster on the motorcycle's clutch cover can eliminate excess cable slack. Now, you're ready … A proper motorcycle clutch cable adjustment gives your bike's clutch a little freeplay and ensures that you're not riding the clutch even when the lever is fully out. There’s one adjuster up next to the lever you can adjust by hand. Yeah, strange. How To Adjust Hydraulic Brake Levers Most motorcycles have cable actuated clutches but some bikes have hydraulic clutches, what’s the difference? Initially prepare your tools … Or a fuse between two electrical circuits. 2. Join the Motorcycle.com Weekly Newsletter to keep up to date on all things motorcycling. The same applies to your throttle cables, if your bike still has them: The fastest, smoothest rider I know, when presented with a new motorcycle, gets the slack out of them ASAP. Often cable adjustments are made to vary the amount of friction zone or get more pull when shifting begins to slip. 1984 Kawasaki GPz750 Turbo vs. 2020 Kawasaki H2 Carbon vs. Ken Vreeke and JB, 2021 Kawasaki Ninja ZX-10R and ZX-10RR – A Detailed First Look, The Lightfighter Electric Superbike Is Back And Better Than Ever, Church of MO: Top 10 Ups And Downs Of 2010. A: Adjusting the clutch on a Trident is one of those things that can take all day: Finding the sweet spot for three things at once can be difficult. To properly maintain and adjust the clutch lever on your Indian Roadmaster, follow these steps: 1. Ahhhh, better. Somebody’s got to take it up. So, the cable sheath is the outside black vinyl part that the cable runs through. The adjusting screw can also be UNDER the clutch cover on the clutch spring plate. Bob teaches you how to adjust the clutch and primary chain on your Harley Softail or Dyna model. AIRHEAD CLUTCH CABLE REPLACEMENT AND ADJUSTMENT CLUTCH CABLE ENDS- FITTING AND LUBRICATION New control cables, correctly fitted and lubricated, are some of the nicest "gifts" that you can give to your old motorcycle, and will have a far greater effect on the nice feel as you ride. It costs more but is defiantly worth the money to always use a good quality motorcycle oil . If you have more slack than that, you'llhave to tighten things up a bit. Damaged cables with unraveling sheathing or frayed wires should be tossed in the trash; a satisfactory clutch adjustment cannot be achieved with a poor cable. Clutch works perfectly and is … You shouldn't have to remove the lock nut completely. A forum community dedicated to Indian Motorcycle owners and enthusiasts. Be sure to achieve free play on the clutch cable to verify that you have proper adjustment on the clutch cable pack, and check for the proper specs in your service manual for adjusting the primary chain (if your model has the adjustment window). Never mind clockwise and counterclockwise and all that; all you need to know is that when you shorten the sheath via its adjusters, you’re effectively lengthening the cable inside, thereby providing more slack. The clutch adjustment procedure is to turn the adjustment screw counter clock wise until resistance is met, then turn it 1/8 th of a turn back clockwise. First, inspect the cable itself for and damage. Why not you? Tighten the clutch cable adjusters near the crank case so that they will not loosen during normal clutch use. The placement may vary per year model and brand of motorcycle but relatively, these two points are the things to consider when you need to adjust your clutch cable. The most common cause of this problem is a badly adjusted clutch. The majority of multi-plate clutches operate the same way: drive from the engine’s crankshaft turns a gear to an outer drum gear; when the clutch is engaged, the drive goes through the clutch into the gearbox where ratios dictate the speed of rotation of the output shaft and final drive sprocket. By far the most popular clutch design is the multi-plate layout, a design consisting of a number of driven and drive plates; typically made of steel (driven) and cork inserted steel (drive). A motorcycle, or automotive clutch for that matter, is a mechanical device that engages or disengages the drive from the engine to the transmission and ultimately to the rear wheel. Before adjusting anything, it is a very good idea to completely remove the cable from the motorcycle, inspect it for wear and lubricate. Like the primary chain adjustment on older models, clutch adjustment has gone away. Sometimes, even after riding the bike for a while, you still never feel quite at home. With a cable, clutch lever force is transferred via a Bowden cable which has strands of steel running inside of a flexible sheath. Then you can shorten the sheath a bunch by spinning the right nut with your fingers in the direction that lengthens the inner cable. Modern oils have many additives which occasionally are not compatible with wet clutches. 2020 Ducati Superleggera V4 Review – First Ride, Two Ways to Skin a Knee: 2021 Honda ADV150 vs. 2021 Honda Trail 125, 2021 Kawasaki Ninja ZX-10R and ZX-10RR Revealed in Australian Certification Documents, BLOWHARDS! You want the clutch to fully disengage when you pull in the lever, fully engage when you release the lever, and not load the bearing buried deep in the clutch basket when engaged. July 28, 2016 – Harley-Davidson has issued a recall on 27,232 model year 2016 motorcycles. On some motorcycles, the pressure of the pressure plate is reduced by a mechanism lifting the plate. Refer to your service manual for the clutch lever gap width. If your pushrod is not adjustable, you may be able to find a suitable replacement at a junkyard that you can install. Disengagement of the clutch is typically achieved by a rod passing through the gearbox shaft applying opposite pressure to the pressure plate. In such a system, plain steel and friction plates work in tandem to control the transmission shaft. will wear the plates quickly. The idea is to adjust at each of the possible spots for max throwwith just a teensy bit of play. Just about every new motorcycle has more than it should. If a clutch lever didn't have one of those adjustment wheels, I often would have to put slack in the cable so I could get the lever a bit closer to me. The only way to adjust a hydraulic clutch is by adjusting the length of the slave-cylinder pushrod. Your clutch is a wear item; as it clutches and declutches from the engine, gently and not-so-gently over the years, the 10 or so clutch plates stacked up in there get thinner as they snuggle and unsnuggle up against one another. Should the owner find this to be the case, he should inspect the springs which may not have the correct free length and therefore apply the required pressures. Designed to protect the clutch adjuster mechanism from dirt, water, and particularly juicy airborne arthropods, the clutch cable cover (or “boot”) is the accordion-looking piece of rubber that resides about half way between your handlebars and the bottom of your Big Twin frame. Where To Adjust Motorcycle Clutch Lever If you need to make an adjustment, there are two places to do it. The most likely scenario for a dragging clutch occurs when a machine has not been used for some time (winter storage, for example). How To Adjust Your Bike’s Clutch Cable. A motorcycle clutch typically uses what is known as a wet clutch system. However, the rider must check the adjustment of the center push-rod (where fitted), the running clearances, and the cable adjustment (where applicable). © 2020 VerticalScope Inc. All rights reserved. The first proper clutch (a leather cone design) was fitted to a 1913 500-cc Douglas. We use data about you for a number of purposes explained in the links below. However, purposely slipping the clutch (to increase the revs.) Disengagement of the clutch is typically achieved by a rod passing through the gearbox shaft applying opposite pressure to the pressure plate. Or is it? If the clutch does not completely disengage, the engine will stall when shifting into gear or else the motorcycle will have the tendency to creep even with the clutch lever disengaged. Make sure you loosen the tiny set screw on the bottom before adjusting. There should also be another adjustment barrel down at the other end of the cable, where it reaches the transmission case. However, modern oils can sometimes cause this problem. This is the primary reason why my 2000 R1 Service Manual says there should be 10 to 15 millimeters of free play at the end of the clutch lever. This is because as the clutch discs wear out over time, the hydraulic clutch automatically adjusts to compensate for the loss. If your clutch has a hose leading into a container with juice in it, you can disregard this, since what you’ve got is a hydraulic clutch! Also, inspect any exposed cable wire for fraying, kinks or corrosion. I'm not slapping the op's hands. In most cases, a slipping clutch will get progressively worse and the owner will have no other option than to inspect the plates, measure their thickness (driven plates) and flatness (drive plates) and replace as required. Over time the inevitable differences in the surface hardness’ will cause the rod (typically) to mushroom which can cause stiction inside the gear shaft. Think of the clutch as being the middle man, between the engine and transmission. Before you dive into a clutch repair, check the adjustment. I have Barnett aluminum backed dry clutch plates and an aluminum NGR Clutch Basket from Motowheels. Nevertheless, options for adjustment are limited. Since the clutch is the link between your crankshaft and your transmission, any slippage means that less of the power your engine is making is getting to the rear wheel. To negate this problem, the rider should (before starting the engine) select first or second gear and rock the machine backward and forwards until the clutch disengages. The first thing to check is the clutch cable adjustment free-play gap. Depending on the rider and type of riding he or she does, most multi-plate clutches will last for many thousands of miles. Enough refound slack, in fact, that we can fine-tune the amount we want with the handlebar-mounted adjuster. The clutch should be adjusted so that the application of the clutch lever will completely disengage the transmission of power. On some designs, the push rod is a multi-piece item separated by ball bearings. Most bikes still use the old-fashioned cable, though, because it’s simple, light, tough to screw up, cheap and easily understandable. Needless to say, a properly operating clutch is an essential component of any automobile, be it a car, truck, sport utility vehicle, or motorcycle. As mentioned above, purposely slipping a clutch will greatly increase its wear rate. After you have made this adjustment, adjust the clutch cable keeping at least a little free play in the cable. Changing a motorcycle clutch is something that should be carried out whenever you notice the slightest sign of wear. Now that you understand why you may need to address your bike’s clutching system, you need to know how to perform a clutch cable adjustment. You want to make sure that when the clutch is fully engaged – as in when you’re no longer pulling on the lever at all – that there’s enough slack in the line to allow the plates to be fully engaged. Or the in an extreme case, you drop into first gear release the clutch and the motorcycle doesn’t move ahead, only the RPMs go up. Learn more about how this works. Remember, on some bikes, the only adjustment is the free play of the clutch cable. John Glimmerveen is a former competitive motorcycle racer. When it’s turned all the way in like this one, you have run out of adjustment, and therefore it’s time to…. Consider These Essential Elements, Do-It-Yourself: Rebuild a Motorcycle Engine, Motorcycle Brakes, Fitting New Brake Shoes, How to Ride a Motorcycle in 10 Simple Steps, Motorcycle Handling Problems and Suspension Set-Up. it will work for a while but then as the velocity of the oil breaks down your clutch will suffer and die . The ability to properly make this adjustment should be in every rider’s toolbox. We use cookies to improve your experience on this website and so that ads you see online can be tailored to your online browsing interests. Don’t forget there is adjustment in the threaded rod that is attached to the clutch lever. The shear stability of car oil is not good enough for the gearbox of a bike and its wet clutch system . Take the motorcycle for a test ride. Start by checking the pushrod (throughthe gearbox) free play. It does help if you have a 14mm wrench with the exaggerated bend at the head. Failure to do this will result in the first gear crunching during engagement, and/or the possibility of the bike lurching forward until the clutch disengages. We codgers know the value of keeping cables lubed and adjusted, along with positioning all the bike’s controls for optimum ergonomic comfort, preferably before the first ride, but I, for one, wasn’t born with this knowledge. He later worked as a race technician for several international race teams. Loosening the nut on the left with a 12mm wrench lets you pull the cable and sheath free. As far as motorcycle projects go, adjusting your bike’s cable clutch is comparatively easy and straightforward. Clutch Adjustment. Tips for First-Time Riders on Classic Motorcycles, Starting a Motorcycle After Winter Storage, Learn How to Set Up 2-Stroke Ignition Timing on Your Motorcycle, Swapping Motorcycle Engines? Here is the page that refers to the clutch adjustment from my Service Manual => injuncowboy said: Are the service manuals another item that no one can get because of supply? These are symptoms of a slipping clutch. On my R1, that’s down at the clutch, on the other side of the bike. ... Indian Motorcycle Forum. For most street applications the clutches are classified as wet, simply because they operate in an oil bath in the primary drive case in early machines or by sharing the engine/gearbox oil in later machines. Slight clutch adjustments can be made at the cable at the front of the bike. Sometimes a lot of what feels like jerky throttle response is just too much slack. In the early days, motorcycles didn't have clutches; riders simply pedaled the machine into life and kept going. Your first step in adjusting a hydraulic clutch is to locate the slave-cylinder pushrod and determine if it is adjustable or not. (Do not drink the juice.) A dragging clutch is one where the engine and rear wheel are not completely disengaged when the clutch lever is pulled in. It doesn’t have to be big to be an Adventure. Suddenly, we have renewed slack! This is a common problem on racing machines in general, but especially on high-performance 2-strokes. The first adjustment you can make for your clutch is the clutch cable and the clutch lever free play and friction zone. Clutch Cable Free Play Adjustment. Park the motorcycle on a flat, level surface and allow the vehicle to cool completely. Your clutch is a wear item; as it clutches and declutches from the engine, gently and not-so-gently over the years, the 10 or so clutch plates stacked up in there get thinner as they snuggle and unsnuggle up against one another. OK? If you have less than 1/8" of cablemovement at the handlebar lever before you feel things engaging, it'sprobably fine the way it is. We are committed to finding, researching, and recommending the best products. On some motorcycles, the pressure of the pressure plate is reduced by a mechanism lifting the plate. Because if your clutch is not fully engaged, it’s going to slip, and if it slips, it’s going to wear out faster and keep your bike from transferring its full power to the wheel. In this case, the clutch plates can stick together causing only partial disengagement. Like throttle cable adjustments, checking and adjusting the clutch lever is something that you should do periodically. If you have a cable-type clutch lever, be … While riding, use your left hand to adjust the barrel adjuster where the cable housing meets the clutch lever, to fine-tune the adjustments made previously. The earliest clutches were no more than a rudimentary belt tensioning system for the rear wheel drive. Another possibility is incorrect oil use. We earn commissions from purchases you make using the retail links in our product reviews. Inspect the entire length of the clutch cable for any damage to the external casing. Generally, there are two main adjustment points for your motorcycle clutch. In other words, the rod counters the spring pressure, thereby disengaging the clutch. However, it could be argued that setting off from a standstill requires the rider to slip the clutch to initiate forward momentum. Then you can stick the whole thing back where it belongs and snug it back up. The multiple plates in the clutch are held together by a series of springs which apply pressure onto a pressure plate. In other words, the rod counters the spring pressure, thereby disengaging the clutch. Properly adjusting your clutch cable’s free play is essential to getting the maximum life out of your clutch components, clutch cable as well as providing a good “feel” at the lever. 1) The inner clutch cable does NOT get lubricant of any kind. It’s not rocket science, is it people? 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