Jul 20, 20 alternatives to impact wrench for variator. Sliders engage up to 20% faster than traditional rollers. Variator tuning choosing the right roller weight scooter. If your scooter ran well and youre only replacing the weights because of flat spots or. Yamaha majesty variator weight and belt change tips read 6925 times. I now have a cobra bio cell driver with a seemingly really heavy xstiff shaft of 66g. If you dont have an impact gun or wrench, grab a variator tool to hold the nut or youre just going to keep on spinning while you try to bust that nut off. The factory can really tighten those nuts on the variator and clutch down tight. This is a listing of the standard sizes and weights of the rollers used on vespa and piaggio scooters. Contrary to what you might think, power drills and impact drivers actually complement each other rather than compete, so its best to have both tools in your tool box if possiblepower drills are great for drilling and impact drivers are great for driving. Gtc, dr pulley clutch, variator, drive belt, sliders, torque spring. You can keep the shaft from rotating with a variator holding tool or by using a light duty impact tool. While that is not the proper method of replacing a belt, imo using an impact driver is not either.
This kit allows you to try different weight variator rollers to see what will work best for your set up instead of buying. The ratio is no longer changing so they wont affect top speed. It truly makes childsplay of removing the variator to change weights. Basically, that means you can drive a big screw or bore a big hole with a small driver.
How much impact on your drives is made by moving weights on the sole. Included in this tuning kit are 12 sets of 3 rollers, for a total of 36 roller weights. I had a rocketballz driver that i averaged 230250 stiff flex stock shaft. Roller weights any type of tuning is going to feel like one heck of a chore, but the variator is at least one of the easier things to tune, you simply disassemble the variator from your transmission, swap the weights for a different set and put it back, each change should only take a minute or two. Then i use a variator tool and a 24 inch long breaker bar with a good 6 point socket. Variator in pieces trying to remove 17mm nut shown in.
I carry a spare belt for my vespa, along with all the tools necessary to replace it. With so many names that have added to the list, it becomes incumbent to know the key features of every alternative to make the best buy. Variators designs and builds mechanical variable speed drives used to control speeds on industrial machinery. The variator is a small, but very important tuning part. Add to cart if you are looking for low cost performance this is a great way to achieve that. Every single driver on the market these days is adjustable in some way. This will improve the take off speed and keep the rpms up going up hill so your not loosing as much speed. Different capacity seed rollers to cater for wide variety of seed type and rate.
Best value scooter roller weights great deals on scooter. Variator roller weights set on amazon if you need a 12v impact wrench chinese scooter. Please feel free to contact us for further information. I have always fought a slice, and i have a driver with 3 weights in it. The titan cambridge roller seed drill from 4ag is the best seed drill machine for. Which one would suit your requirement the most impact, combi, hammer or. Trying to remove variator without having to buy a impact gun or any of the specialty tools that bolt on and hold it in place. You may see a bit of top end but it wont be much and you will loose it on the bottom. Impact driver buy the right tool for the right job to help ensure maximum efficiency.
I ordered a variator from scrapdogg and order oz weights. Variator weights misconception quick tip somewhat daily. Looking for an easy way to get that big flat nut off your clutch assembly to install your new clutch main spring or performance clutch. Scooter roller weight changing with out impact wrench part. Remove the variator and clutch securing nuts with your impact driver or using your strap wrench.
For years, youve been using a cordless drilldriver in just about every drilling and fastening application. An alternative to the breaker bar might be an impact wrench and then you. So whats the difference between a drilldriver and an. The variator weights will need higher rpms to top out the gear ratio. Discover over 328 of our best selection of scooter roller weights on with topselling scooter roller weights brands. Jan 24, 2019 cordless drills are popular and versatile, but impact drivers can drive screws at astonishing speeds. You can drive long screws because impact drivers generate a lot of torque. Its probably weaker now if you dont do any tuning at all, and want to take all the time to make the tool and use it then sure go ahead. Just used a 12 piece of plywood, a couple 14 bolts 114 long, fender washers and blind nuts on. If youre looking for a fast, cheap upgrade at low cost, you can drill out the stock variator weights.
An impact driver is an essential portable tool used for drilling holes and driving screws. It seem it would be safe because the force is spread out over the whole thing. Oct 30, 2012 i had a rocketballz driver that i averaged 230250 stiff flex stock shaft. I replaced the rollers in the variator and removed the clutch bell to check the clutch shoes for wear.
Roller weights and slider weights for the variator on your honda ruckus, yamaha zuma, grand axis, gy6, or other cvt bike. If correct weights are used this will increase acceleration as well as the top speed of your honda ruckus honda metropolitan 50cc. Also, should it be moving in and out like the clutch does once you remove the bell housing. Remove the variator unit by pinching it and pulling it out. I hadnt done this before so i watched the video and it worked slick there but not here in the garage.
I use a dewalt electric impact driver, not sure if its weak or strong compared to a air tool. Pulley sliding roller weights and variator slides today so i thought i would take the variator off and get those switched out. And it may still be the best choice for many applications, but there is another option. Guide how to service or change rollers sliders xmax 300. Rules, new member introductions, and forum information. I had to use this long wrench, as they used a airimpactwrench at the factory, and that nut was really on there tight. What is an impact driver vs combi drill which one you need. So matching a dr pulley variator with a dr pulley clutch and slider weights is a killer upgrade. Now i have to buy different roller weights since these are the same as what i had. It also has a wight in the bottom of the head that you can change to make it heavier or lighter. Variator tuning choosing the right roller weight of the various things you can do to your scooter to improve performance, selecting the optimum roller weigh is probably the cheapest, easiest and most effective assuming that the weights have not been optimized before. Changing the weights to a certain pattern will promote a draw.
Either way ill ride on this for 12,500 miles and if i dont like it, ill switch back to rubber and replace some of the sheaves andor weights if theyre excessively worn by then, at 24k miles its probably not a bad idea. This tuning kit for your scooter variator is a great way to play withtune your scooters cvt transmssion. They are constant horsepower torque converters with extremely accurate speedratio holding and repeatability. Cordless drills are popular and versatile, but impact drivers can drive screws at astonishing speeds.
Start by changing the variator roller weights first. Removing clutch and variator nuts without an impact wrench. Variator kit for morini ad50 engines commonly found on hyosung, suzuki and tgb street scooters. Hi, i need my variator bolt off and i dont have a impact wrench, i tried a drill, and a hammer drill i also tried jamming a extension bar in there, and managed to snap off some teeth. Using the printout as a guide, drill all holes with a 18. Combining 2 sets of rollers allows you to tune with a large variance of weights sets. Buy complete variator roller assy for gy6 125cc 150cc 4 stroke 152qmi. Removing the 17mm variator nut using a 14 long 12 drive breaker bar wrench and the homemade variator locking tool. Apparently, someone did not use an impact driver one the large phillips head bolt that snugs down the end weights if i were you i would simply go to the suzuki dealer and order what you need you may have also lost the rubber expansion plug inside that keeps the weight onto the bar end. I have heard of people taking roller weights to the post office or other shipping store and. Changing weights shift the power curve sweetspot up and down the rpms of the engine.
They are constant horsepower torque converters with extremely accurate speedratio holding and. Now your variator is locked into place and you can use a ratchet or wrench instead of getting out the old impact gun. Honda essentially copied the design for their variator, and arguably their entire pa50 moped, from the vespa bravo. This tech is to help you learn how to install a speed variator, pulley spring and clutch. Shop impact drivers online at and get free store pickup at your neighborhood ace.
Buggy parts nw offers many different racing roller weights for use with your stock variator. I stuck a small pry bar in between the fins like that guy did but it just. For a 150cc scooter you can get rollers weighing from around 10gm to around 15gm. It provides a different ramp angle for the weights to roll on which in. Any way to remove variator without impact gun or specialty tools.
If you dont have many tools, well you probably dont own a air compressor impact wrenches can either hook up to an air compressor or be totally electric. Scooter roller weight changing with out impact wrench part 1 447za. Place supplied roller weights into variator and install backing plate. Rollers and sliders should be inspected annually at minimum for wear. The first time, you need to look close and chisel off any epoxy they might have used on the nut to keep it from coming loose. Line this tool up with the teeth on the variator drive face. So whats the difference between a drilldriver and an impact driver. These are common questions we hear from club golfers when talking about adjustable drivers. Jun 20, 2017 contrary to what you might think, power drills and impact drivers actually complement each other rather than compete, so its best to have both tools in your tool box if possiblepower drills are great for drilling and impact drivers are great for driving. Performance variators for the gy6 150 engine, cvt transmission on all buggies. Weights in driver head instruction and playing tips the.
Scooter roller weight changing with out impact wrench part 2 duration. It needed 67 hits on the variator nut to remove it, but the wrench did remove it ok. Apr 11, 2017 how much impact on your drives is made by moving weights on the sole. Then i went and got one of these 12v emergency tire impacts from hf. Get a holding tool and a ratchetsocket, and remove the variator nut by hand. Its really easy with one of these tools, and theres no risk of damaging the variator.
Dont wish to take my tire tool off and hook up a impact wrench to air. Hi guys, i recently wanted to change to a pair of dr pulley rollers sliders on my. I have used the harbor freight impact wrench on a 250 cc size scooter honda helix. If you have a neutral set up on a driver, adding 15 grams to the outside to promote a draw, 115mph club head speed 17. Impact drivers have one overwhelming advantage over standard drills and drivers. Add to cart if you are looking for low cost performance this is a great way. I did blow out the black powder from inside the variator that was where the old weights wore. Pully performance slider weights for gy6 150 stock or performance variator. Scooter roller weight tuning kit 15x12 scooterworks usa. Which one is best depends on the scooter, the power of the engine, the gear ratios, the design of the variator, the weight of the rider and what you want from the scooter. Performance variator slider weights for gy6 150 engine. Do performance variator kits really help thanks very much i have a derbi gp1 open with a 70cc big bore on it and also a polini team pipe would do you all think thanks very much, and what does it really improve and could you tell that it has improved if its done thanks. Honda essentially copied the design for their variator, and arguably their entire pa50 moped, from the. Its easier to think of it like this, if i hit a 30 yard draw, i am only now going to hit a 24.
Performance variator roller weights 16x gy6 50cc scooter. Dr pulley is well know for its slider roller weights for scooter variators as the first upgrade as well as the easiest upgrade to get results right away. Even more importantly, you can use a torque wrench to install your variator nut to the specified torque setting. Performance variator roller weights 16x gy6 50cc scooter all sizesrecalibrating your cvt can be one of the best bang for the buck modifications. Variator in pieces trying to remove 17mm nut shown in video. Choosing the best impact driver the family handyman. Removing the variator or clutch without an impact wrench. This allows you to properly retorque the nut when you reinstall it. Yamaha majesty variator weight and belt change tips maxi scoots. Clutches free delivery possible on eligible purchases. In fact, many tool manufacturers sell power drill and impact driver combos, like this. I had to use two hands and push down hard with my body to pop that nut loose.
Yamaha majesty variator weight and belt change tips. It provides a different ramp angle for the weights to roll on which in return helps increase the performance of the weights. What is a good performance weight for the variator weights. You can set it up to favour staying open or closed at impact. Scooter roller weight changing with out impact wrench part 1. Initially all the weights work together to decrease the gear ratio. Do performance variator kits really help bike chat. Upgrading your variator can give you an even greater performance increase. The lack of symmetry with this design means that the variators performance cannot be changed by removing weights. For the variator i found these pictures online and duplicated the procedure a few times til i finally got an impact. Scooter variator roller weight tuning kit 16x rolling.
But when you tearing it apart all day changing weights and stuff then the impact makes it happen alot faster. The polini variator offers the advantage of a wider range of adjustment. The hit clutches from dr pulley are most well known for their power and many ways to adjust them. The roller weights are located in the rear half of the variator under the ramp plate. Would doing this hinder me from getting to the root cause of what has been making me. An impact driver ether air or electric is the best way to go. Ive found that having an impact driver on hand has been far more valuable and useful than having a power drillscrewdriver. If you had a low revving bike, the only way to maintain a low rpm all the way to top speed with heavy roller weights would be a higher top gear ratio. The honda reflex uses a two stage variator weight system. I believe an impact would have worked great if i had one. Polini variator speed control for honda ruckus drowsports. The lack of symmetry with this design means that the variator s performance cannot be changed by removing weights.
Then, at around 5500 rpm, the lighter black weights are stopped and only the heavier whiteblue weights continue to change the ratio. Once the nut is removed, remove the variator assembly. Weights in driver head instruction and playing tips. Complete variator roller assy for gy6 125cc 150cc 4. You will need a 17mm socket for the nut holding the variator in place and a 19mm socket for the clutch bell nut. How to make your scooter 150cc start up speed faster youtube. Includes variator, drive face, ramp plate, restrictor plate, boss, roller weights, slide peices. With the drive cover off you can see the variator drive pulley to the left and the driven pulley and clutch assembly to the right. Use caution when using power tools as it is possible to strip. Shop the top 25 most popular scooter roller weights at the best prices. Variators are mechanical variable speed drives or transmissions used to control speeds on industrial machinery. Mar 17, 2008 this is me removing the variator from my aerox.242 290 1181 61 862 1518 35 1163 1207 935 477 1183 1529 693 88 1365 1071 1206 1335 1113 953 1007 1089 1202 1481 187 1465 1138 1448 470 1500 885 739 285 740 602 167 873 455 1089 73 1071 821 1378 986 1347