John deere primary transmission variator pulley kit mia31john deere primary transmission variator pulley kit replaces mia12481. Install drive boss and moveable drive half onto crankshaft. Driver pulleys pulleys american sportworks parts dept. Initially used a 12 air impact wrench with a max torque of 420 lbft. Trying to potty train a 2 year old, please send wipes currently ride. Reversable impact wrench socket for 150cc and 250cc clutch flat nuts. Hi guys, i recently wanted to change to a pair of dr pulley rollers. As for the actual affect on acceleration, low speeds are where the torque driver in the cvt is at the most aggressive angle anyway, so other than that initial pop off the line, id attribute most of the tendency to rev to the drive pulley itself. I have used the harbor freight impact wrench on a 250 cc size scooter honda helix. Scooter roller weight changing with out impact wrench part. What is meant by a driven pulley and a driving pulley. Pacific nw well, it worked fine for overthehill on his 250 cvt when we were in or over labor day and i have used it swap out a crank pulley on infamous 650. I bought these from the manufacturer direct as no one sells these here in australia. The air gun, or impact wrench, is the powered version of an astonishingly.
As for another post, my mileage went up when i did the big ruckus face b and 21 or 19g sliders. Scooter roller weight changing with out impact wrench part 2 duration. When you add the washers, it delays the amount of time that belt rides up onto the ramp since now the variator ramp is slightly further away from t. No impact wrench, how to remove variator nut by gndoc fri nov 04, 2011 11. The material these slider are made off is very slippery and that suppose to increase its performance. Use caution when using power tools as it is possible to strip the threads on the crank shaft.
Im not sure what your variator pulley looks like, but there are variator holding tools out there. Specially coated ramp plates create less friction on the rollers, allowing them to adapt more rapidly to changing driving conditions and resulting in less wear. So matching a dr pulley variator with a dr pulley clutch and slider weights is a killer upgrade. Place supplied roller weights into variator and install backing plate. Crankshaft pulley bolt is the most stubborn, highly torqued and perhaps the most challenging bolt to remove in a car. Dr pulley gy6 variator kit 150cc rzr 170cc drowsports.
Pulley variator slides for 250cc 4stroke watercooled cn250 172mm engines. An impact driver ether air or electric is the best way to go. 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. I used my handimpactdriver again and lightly tapped it a few times to get it tight. I would never use an impact wrench to tighten a nut onto the crankshaft. You can keep the shaft from rotating with a variator holding tool or by using a light duty impact tool. Simplest way to replace a gy6 scooter cv belt duration. It needed 67 hits on the variator nut to remove it, but the wrench did remove it ok. 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. 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. I just spread the rear pulley and push the belt down to hold it apart and the belt will slip right over the variator. As an alternative you should be able to use an impact wrench here if you have one. After you have completely cleaned your cvt system and replaced your belt, you need to check that everything works correctly before you put your cvt cover on and head for the streets. Removing the variator or clutch without an impact wrench jan 3, 2015 5.
By offering all elements of the drive program, everpower motor company also gives you an individual point of get in touch with for support and program. Jan 12, 2019 as far as checking the belt on the variator, there is one pulley up front that is the out put form the motor. Torques per early pre 07 manual are 85 nm on the clutch nut, 105 nm on the variator. Have a 27 mm crankshaft pulley bolt that is resisting removal. Remove the variator drive face and kick start washer. A really quick video of the variator pulley on a john deere 110. The slide pieces in the variator are equally as important as the rollers. If that is the case, on no account tighten the nut with an impact driver. One little tip, to ease fitting the pulley, i used a thin piece of wood to pull the belt into the clutch end pulley and opening it up, by pulling the stick against the variator spindle, which. Pulley 19,0g, 25x17 mm for gilerapiaggio 500cc, 4 stroke lc, 8 pcs sr rolls from serie pro line from dr. I dont know who carries an impact wrench with them, so with this plus a car style lug wrench 17mm. Slow acceleration prior to mph 1984 honda elite ch125.
Sep, 20 simplest way to replace a gy6 scooter cv belt. Do not attempt to complete step one above unless you have a high power impact wrench to take the nuts off of the pulleys. It comes together with the variator plate guide, and need to be replace too. Variator motor china motors brand inverter duty motor. The tech in the video mean ase master technician, i first encountered a stubborn crank bolt on a honda back in. Oem general transmission rt400 variator drive pulley. It is my traveling impact and does not get much use since i use a compressor at home, but it has paid for itself already. You will need a 17mm socket for the nut holding the variator in place and a 19mm socket for the clutch bell nut. Kit includes 1 m150107 driver pulley 1 m150103 driven pulley with outer drum. Removing the variator or clutch without an impact wrench. I had a belt, with no way to change it in a parking lot. Pulley instructions are real vague but say to add the washers depending on your engines power curve.
Using a 6 extension bar with both to gain access to the bolt. No impact wrench, how to remove variator nut buggynews. Also see link below to go directly to the article on how to loosen the honda crank pulley bolt when other methods fail, like the big impact gun etc. Yamaha zuma 125 yamaha cygnus 125, gtr, yamaha majesty 125,yamaha vino 125. Remove the variator and clutch securing nuts with your impact driver or using your strap wrench and 19mm socket. The honda pcx honda forza sh forums your predominant source of information for the honda pcx 125, honda pcx esp, honda pcx 150, and forza. Pulley variator slides are made of the same abrasionresistant nylon as the dr. Install rear pulley onto drive shaft followed by clutch.
This racing variator from dr pulley is precisionengineered to increase performance over stock gy6variators. The driver is complete with drive rollers as shown, drive belt 7432030, and the driven pulley. This dr pulley variator will fit the following scooter models and more. Pulley is precision engineered to increase performance over stock. Yamaha zuma 125 this high performance variator from dr pulley is designed to increase performance over stock variators. It makes slow speed maneuvers a little jerky and less predictable, though. In the end i used a 12v impact driver to remove it and the variator nut. I tried listening to lyle lovett while working on it, but still couldnt keep the variator fixed pulley from turning as my strap wrench kept slipping off.
These bolts can have a rating of 400700 lbft or more especially if theyre. It is highly recommended to change the slide pieces to coincide with the rollers. Ncy super transmission kit gy6 125150 tools required. Variator in pieces trying to remove 17mm nut shown in. Since i destroyed one of my bolts, i installed 5 of the 6 and left the hole in the far rear empty, that way itll be easy to install when i receive my replacement later this week from.
Sometimes, it is necessary to fit the belt pulley from the old alternator onto the new alternator. If you can borrow a decent 12 electric impact wrench, that should shift it. Pulley products are some of the best on the market today. The whole job should probably take about half an hour to 45 minutes. The honda pcx honda forza sh forums view topic how to. The ball bearing inside the driven rear pulley was the culprit. Oem general transmission rt400 variator drive pulley gt79398 john deere mia31. The dr pulley variator comes with the variator, fan plate, and center boss pin. Crankshaft pulley bolt removal peachparts mercedesbenz. John deere primary transmission variator pulley kit mia31. I replaced the rollers in the variator and removed the clutch bell to check the clutch shoes for wear. The hit clutches from dr pulley are most well known for their power and many ways to adjust. The honda pcx honda forza sh forums view topic how. Simplest way to replace a gy6 scooter cv belt youtube.
Now your variator is locked into place and you can use a ratchet or wrench instead of getting out the old impact gun. The front inner pulley half also acts as the housing for the variator roller. Impact driver mostly 14 hex fitting, can be used as an impact driver andor a drill with the right adaptors, max torque around 120nm in my price range, torque adjustable but not precise. Ok, i had the grinding noise when rotating my back wheel when still and not running. This is a complete replacement kit for the hammerhead and most other chinese 150cc drive and driven pulleys. Slide belt onto drive boss followed by drive face and kicks start washer. The wrench just has to be the right length to put the open end between the teeth of the variator drive face, and the other end sits in one of the contours of the back of the cvt case. Even more importantly, you can use a torque wrench to install your variator nut to the specified torque setting. Other, the big one which is attached to the smaller one via a belt. Guide how to service or change rollers sliders xmax 300.
First step in replacement is this drive belt cover need to be removed you will need 8mm, 10mm socket and a philip head screw driver for this job. John deere secondary transmission variator pulley kit product information product dimensions 4. Variator motor china motors brand inverter duty motor with a drive in the accuseries collection, you can benefit from the benefits of a. How do i remove a pulley where i have no way of stopping it turning. Dec 24, 2019 ok, i had the grinding noise when rotating my back wheel when still and not running. The one in the back goes to the clutch and rear wheel.
Rules, new member introductions, and forum information. Scooter roller weight changing with out impact wrench part 1. Torquing front pulley variator center nut suzuki burgman. I bought the impact driver, but wasnt sure if the holding tool is a necessity or just a waste of money. You would still need a torque wrench anyway to determine 76 ft. What is the least inexpensive way to remove this so that i can change the belt. No impact wrench, how to remove variator nut by gndoc. Remove the variator unit by pinching it and pulling it out. At idle the belt should be on the inside of the front pulley and outside of the rear. Variator in pieces trying to remove 17mm nut shown in video. Pulley is precision engineered to increase performance over stock variators. Replaces part numbers gt79398b, gt79398a, john deere mia31.
Precision engineered ramp plates create less friction on the. Crankshaft pulley bolt removal peachparts mercedesbenz forum. May 12, 2008 scooter roller weight changing with out impact wrench part 1 447za. The steep angle ramp plates in the dr pulley variators allow for. Jul 20, 20 i have done the small wrench trick i saw on youtube several times on a 50cc gy6s with success. Scooter roller weight changing with out impact wrench part 1 447za. 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. Variator nut removal will crank your engine here is an easy and cheap way to stop the engine from moving so the nut can be removed. As far as checking the belt on the variator, there is one pulley up front that is the out put form the motor. Thought i could leverage a metal rod on the fan to the floor and drilldrive the variator nut off. John deere variator adjustment for 110, 112, 200, 208, 210, 212, 214, 216 duration. I have been using this method to get the clutch and pulley assembly apart for a while now, it is.
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