Signup for our newsletter and get the 173 Best Homemade Tools eBook free! Lets get started! Alternatively, utilizing a crankshaft puller is another great way to install the crankshaft. To prepare for the new bearing and seal installation, complete crankshaft bearing and seal kits are available through ProX. Ahhvery ingenius. You also need a harmonic puller. The cautionary point here is to use care when heating if the crank seals have already been installed. They usually have the metric bolts needed. Although listed to work on YL1 Yamaha Twins primarily, based on photos and description of the tool I got it, and what a very cool tool! or a saki? Regardless of whether a new or rebuilt crankshaft is utilized, the trueness of the crankshaft must be checked. The gear has a pin (of course) and when the case splits, the pin gets squished by the gears bearing, and the case goes side ways. While my method is far from the only one, make sure you have a robust and sustainable system for keeping track of everything. To ensure the bearings are at the bottom of their bores, they should be tapped to confirm they are fully seated. Take off the gear and remove the PIN! If a major failure occurred, the scrutiny of the rebuild will be at a much higher level than a bottom end that is merely being reconditioned. A blind bearing puller will also have to be heavily relied on to facilitate removal. Powersports, hehehe, Good luck and let me know how it goes. Why is it when I am logged in, the links come up? The bike, nah, I couldn't part with that. Click here for our 46 Best Homemade Logging Tools eBook, 40 Plans for Homemade Sanders: Disc, Drum, Spindle, and Thickness Sanders, http://www.arboristsite.com/community/threads/homemade-crankcase-splitter.227126/, Transmission tower workers taking breaks - GIF, Vehicle barge drifting while unloading - GIF, https://youtube.com/shorts/gLTp4jKpQtE Homemade Lathe Carriage Stop. This is a huge caveat, and for the average weekend warrior who doesnt perform this task often, unfamiliarity with technique and componentry can lead to errors. Unless you are experienced in this field and have the tools, crankshaft rebuilds should be trusted in the hands of a reputable shop. Screwdrivers and the like should, Rebuilding RZR Engines the Easy Way: Polaris 800 Rebuild Kits, Yamaha YZ250FX Raced, Rebuilt & Raced Again, ProX Parties with the Babes! As the case splits, I was then able to use the bolts directly. ), Husqvarna 372XP crankcase, with crankshaft. I highly recommend reviewing the sequence of events and procedure in advance of executing the work. Then everyone can see them. Ahhvery ingenius. The oven, grill, or heat source should be set at 350 degrees Farenheit, and the crankcases should be heated for around half an hour. Many rebuilds have gone awry because a flywheel holding tool was not used during the rebuild. Alternatively, if you dont want to, or cant use heat, an arbor or hydraulic press should be utilized to install the bearings. Rebuilding the bottom end of your engine, whether two or four-stroke, can be a fun and rewarding job. Now my garrage is the my underground parking spot and my work place is on the patio. This email address is being protected from spambots. After an hour of grief, I found out my problem. Seals can be tapped into place with a seal driver or socket and hammer. ENGINE TECH, In addition to OEM options, brands such as ProX offer OEM quality parts at more affordable prices. Due to the unevenness of load distribution that can result from pounding the bearings out with a hammer, we caution against this as a primary form of removal without the aid of heat. Once the crankcase splitter is set up, it is imperative that separation happens evenly around the periphery of the crankcases. Haha, yeah I hear yeah! For detailed information about the categories of personal information we collect and the purposes for which information may be used and which Data Processing Services may have access to this information please click on 'Privacy Policy". Please Log in or Create an account to join the conversation. ProX Racing Parts. The caveat to this is the bearing dropping into the bore cock-eyed. Paul Olesen. Thanks for your patience. Be sure to position the crankcase splitter arms as close to equispaced from one another as possible. If the water droplet sizzles, the inner race is plenty hot. It took a little while, as I started with a tiny hole, and worked my way up. http://pg.photos.yahoo.com/ph/k_fitchgerald/detail?.dir=fc2c&.dnm=fa44scd.jpg&.src=ph, http://pg.photos.yahoo.com/ph/k_fitchgerald/detail?.dir=fc2c&.dnm=1a67scd.jpg&.src=ph, http://pg.photos.yahoo.com/ph/k_fitchgerald/detail?.dir=fc2c&.dnm=9c73scd.jpg&.src=ph, http://pg.photos.yahoo.com/ph/k_fitchgerald/detail?.dir=fc2c&.dnm=2256scd.jpg&.src=ph, http://pg.photos.yahoo.com/ph/k_fitchgerald/detail?.dir=fc2c&.dnm=d49bscd.jpg&.src=ph, However, it was a real pain removing this gear. I redid the arms a couple of times and then the last time bronco used it he did them even stronger, really need to be stronger than you would think. Read about the advtantages of ProX connecting rods here. Checking is insurance that our postal system didnt drop your crank, and that the factory or rebuilder did their job correctly. Click here to see more about ProX drop-in ready complete crankshafts. 10 Tips for a Dirt Bike Bottom End Rebuild, Correct Tools, Correct Diagnostics, Correct Expectations, Correct Replacement Components, Once the crankcase splitter is set up, it is imperative that separation happens evenly around the periphery of the crankcases. Inner race temperature can be gauged by applying a drop of water to the surface of the race. You need to have a copy of the factory service manual or equivalent for your particular vehicle. Using heat to assist in removal/installation of the bearings and crankshaft is an effective method, so an oven and freezer are also noteworthy items. This methodology reduces the number of mixups that can occur and ensures bolts of varying length will be reinstalled in their original location. LOL. I now have an idea for saws the splitter will not fit. On four-stroke engines that have oil passages running through the crankcases, cylinder, and cylinder head, it is imperative that these are cleaned and blown out. Commonly, two specialty tools are required to remove the flywheel - a flywheel puller and a flywheel holder. As a note, on pics rather than load them to a specific users garage, just use the "Manage Attachments" part of the reply box, and upload the images as part of your reply. Starting with tools, youll need a few specialty tools in conjunction with your standard sockets, wrenches, etc. The same heating recommendations apply, and once at temperature, the majority of the bearings should fall to the bottom of their bores without any input. Replacement components are a major factor to consider, both in terms of cost and engine performance, when diving into a bottom end rebuild. The harmonic puller sites underneath the plate as shown in this photo here: The engine requires M6x1.00 screws. When I log out of thumpertalk, the links go away? We split a 024 and a ms 880 with this one. I prefer to lay sub-systems out on a large table, remove the bare minimum of components/hardware to get to the items Im servicing, and stick bolts through cardboard in the pattern they were removed from components (think crankcases and covers). I used the insert Image icon, to add the photos. No I didn't leave them on my HD. December 21, 2018 / by In the meantime, the forum should function, but you wont be able to attach images. Component inspections should be conducted to assess the condition of the gearbox, crankcase bearing bores, and crankshaft. It is much faster to use a drill press to do this, but I don't have one, so outside, on my patio, I drilled the holes using my electric hand drill. UnfortunatelyI already bought a motion pro case splitter. By I have used it to split the cases on: 1970 CT1, 1972 CT2, 1974 DT175, and (of all things) a 1952 Harley Hummer. The important checks to perform are to ensure the seals have been installed squarely in their respective bores, and at any prescribed depths outlined in the service manual. It is super simple to set up, and made in the USA. Topics: This applies to both two and four-strokes, but is especially critical on four-stroke engines that pass oil out the end of the crankshaft. Look around, I see them at flea markets for cheap too. At this point, it is my recommendation that all components that originated inside the crankcases be thoroughly cleaned. It didn't want to come out, so I thought I would just leave it on and while the case splits, the gear would pop off. If any problems were persistent when the machine was operated, such as a poorly shifting gearbox, or leaks between the crankcases, the causation of these issues must be identified prior to reassembly. Ah, it worked out in the end. I drilled some more holes so I can use four bolts to get a good grip. No arc welder, cutting torch or drill press are required! 7" x 9" is perfect. I rigged up an electrical outlet to run a radio in the parking lot, and I keep a grocery cart to move my tools from my apartment to the parking lot. NOTICE: If you are not a free registered member of the site, you will not see the photos in the forum, andyou won't be able to access our premium member content. I removed the nut for this gear as indicated in this photo. Bearing removal can be done with or without heat. Take off the gear and remove the PIN! All ProX bottom end parts are made by OE manufacturers and suppliers to OE standards, so your mind can rest easy that your rebuild can retain OEM quality and longevity. It moves around to make itself fit. The crankcase puller is made using basic tools, an electric hand drill, a dremel (you can use a hacksaw) and parts available from your local hardware store. Be sure to tap on the outer race of the bearing. For this reason, it is advisable to thoroughly clean the crankcases prior to heating them up, as well as keeping ventilation in mind. From setup on the case, to case split, to the tool back in my storage drawer in a matter of less than 10 minutes. ProX uses reputable, OEM bearing and seal suppliers for all parts in order to maintain OEM quality. My hardware store didn't have bolts long enough, so I used my dremel to cut off some bolts off and then used a nut to attach them as shown. SO many times when I was "designing" this puller I was like, FRIG I wish I had a welder to take care of the nuts. 1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250, slowly rescuing ghosts of a 1971 CT1-C and a 1967 Grand Prix 350 YR1. Crankcase splitting is the easy part almost any two bolt puller works you can usually borrow one free from one of the chain auto parts stores like Autozone. , But there is a home built case splitter in the FAQ Basic, Special and Home Made tools Just for the DRZ. Basic, Special and Home Made tools Just for the DRZ. Where did you host the pics? Instead, the crankshaft was secured from the primary drive side when the flywheel nut was removed/installed. Instead, a rubber mallet can be used to encourage separation. That way the pics stay linked to this specific post and thread. I am working on a fix. DIY Chainsaw Crankcase Splitter - comment on how to build a Chainsaw Crankcase Splitter - 0 comments. This site is not affiliated with Yamaha Motor Corporation. Also, ensure that the splitter studs utilize thread engagement at least 1.5 times the diameter of the bolt. I posted them on photos.yahoo.com. For example, most crankcase bolt holes are 6mm, so the stud should be screwed down at least 9mm to ensure adequate thread engagement. Replacing bearings, seals, gaskets, and refurbishing the crankshaft either by rebuilding or replacing it is essential. You need JavaScript enabled to view it. I like 10guy's puller. The gear has a pin (of course) and when the case splits, the pin gets squished by the gear's bearing, and the case goes side ways. I went to order one of these tonight and got the following: Probably sold out from the advertising here! When this happens, a punch and hammer should be used be help square the bearing to its bore. 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. Shrinking the crankshaft in place using a combination of heating and cooling of components works well. Namely, the correct flywheel puller for your specific engine, a flywheel holding tool, a crankcase splitting tool, a blind bearing puller, and a crankshaft puller. Once seated, work to button up the crankcase assembly should progress quickly, and the remaining inner race can be heated and the crankcase installed. Even a steering wheel puller can work. Bearings situated in blind bearing bores that did not fall out should be removed with the assistance of a blind bearing puller. At this point, the cooled crankshaft can be dropped through the heated bearing. Easy to find parking, cheap insurance, and takes me wherever I want. BIG MISTAKE! any chance of chucking them up again im really keen to see them!! Doing this will reduce the likelihood of components falling out and ensure that subsequent removal of components goes smoothly. It didn't want to come out, so I thought I would just leave it on and while the case splits, the gear would pop off. MX250 Float Height (overflowing causing runaway id Crosspost: CT2 Top end with new VM26 carb, 1972 Jt1 Yamaha mini enduro Clutch spring help, 1972 Yamaha LT2 - Restoring the Original Wiring. Price is $59.95. Find all the OEM replacement parts you need for your bike here. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. While it should normally be expected that new or rebuilt cranks are within runout specifications, the trueness of the crankshaft is imperative to long-term durability. Used it today on my CT1 engine. looks like a handy tool. Question Did you move the puller around on the case to pull evenly or did you leave it where it is in the pics and just pull from there? This is especially true if the engine suffered a major failure where oil contamination was a resulting issue. Should you determine you'd like to rebuild your crank, ProX offers OEM quality connecting rod kits that can be used for a crankshaft rebuild. Easiest way to post pice is to post them in your garage. These statements are only true, however, assuming the bottom end rebuild is performed correctly. I dig it. Get 500+ tool plans, full site access, and more. Images provided and owned by Kelsey Jorissen Photography, LLC. majesus, To help ensure your next bottom end rebuild is executed to a professional level, heres 10 tips which will elevate your confidence and understanding as an amateur engine builder. Similar to removal, heat can also aid in bearing installation. The tool took me an hour or so to make. When you buy through links on our site, we may earn an affiliate commission.Copyright ThumperTalk, Inc. - All rights reserved.ThumperTalk is a registered trademark. I drilled a hole in the middle of the aluminum plate for the harmonic puller and two bolts to attach the puller to the plate. The crankshaft should either be rebuilt or replaced depending on the severity of wear and desires of the builder. Similar Threads - Husqvarna crankcase splitter, (You must log in or sign up to reply here. One there you can link to them by right clicking and copying the address then click the little icon of the mountain above the post window. The tips will be presented in chronological order. Any seals installed cock-eyed will wear out prematurely. Comes with posts in 6X1.0 case threads, and 8X1.25. Properly keeping track of these items is critical. Due to the extraordinary growth of the membership and resources, we are once again bumping up against hosting limits. All other company and product names are trademarks or registered trademarks of their respective companies. As the engine is torn apart, you will amass a significant number of components, bolts, nuts, and miscellaneous hardware. Ordering in kits creates less hassle and is a budget-friendly step in your rebuild. All Rights Reserved. yours or anybody.. I got one at a surplus store for $5. www.vintagemotorcycletools.com/UniversalCaseSplitterTool.htm. The use of the word "Yamaha" or any specific model designation is purely for informational purposes to assist users of this site and in no way indicate any endorsement by or approval of this site by Yamaha Motor Corporation. UnfortunatelyI already bought a, How to make a Cheap and Easy CrankCase Puller. so you have used it on a zuki and a yam, how about a honda? We do not sell or release any of your private or personal information except in response to a valid court order. Just to show some diversity to this Universal Case Splitter, used it tonight to split the case on a '72 Suzuki TC125. I do want to note that your heat source and surrounding area can become odorous due to the residual oils that become heated during the process. Discussion in 'Chainsaws' started by Mark71gtx, Jan 14, 2016. It's rough, but, I love my bike. featured, Now that is being resourceful! Yeah that is weird. Pounding or pressing the crankshaft into place should never be considered because the trueness of the crankshaft can be affected. Don't think he will be reading this postto re load the pics. But looks like he used a welder and a cutting torch. Complete crankshafts, connecting rod kits, bearings, seals, and many other components can be found for a wide variety of engine models that can make the rebuilding process easy and affordable. , Can't see the pics. Privacy Information: We and our partners are using technologies like cookies and process personal data in order to improve your experience. | Babes in the Dirt 7, 12 Tips to Help Keep Your 2-Stroke Running Strong, How To Adjust and Replace Your Motorcycle's Throttle Cable, 10 Signs Your 4-Stroke Engine is Getting Tired, How To Make Carburetor Jetting Adjustments on your Dirt Bike or ATV, Why Replacing your 4-Stroke Motorcycle's Cam Chain can Prevent Engine Failure, Lightweight Design, Proven Durability | ProX Steel Sprockets. Alternatively, a press can be used. The word "Yamaha", the tuning fork logo or other trademarked logos and all other product names are, or may be, trademarks or registered trademarks of Yamaha Motor Corporation. I have one of those harmonic balancer pullers too. This can be farmed out to a competent shop, machinist, or if properly equipped, performed in-house. hehehe, http://pg.photos.yahoo.com/ph/k_fitchgerald/detail?.dir=fc2c&.dnm=7b16scd.jpg&.src=ph. Once set up, the puller is tightened and the crankshaft is pulled through the bearing. Then paste the address you just copied there and it works like a charm. Bottom ends are taken apart for many different reasons. Best thing to drive. I use a steering wheel puller, works fine on AT-CT`s. While it may seem implausible, the twisting force that is exerted can actually alter the trueness of the crankshaft. I made a crankcase puller (an engine puller) and here are some pictures and tips for others who want to build one for their bike project. When installing the crankcase splitter, make sure a protective cap is used to cover the end of the crankshaft. After, the majority of the crankcase bearings should fall out of their bores. We use data about you for a number of purposes explained in the links below. There are a few noteworthy items to discuss when separating the crankcases. I use to have a MIG, but then I went to Grad school, I had to move into the big city. After an hour of grief, I found out my problem. Crankshafts that utilize an interference fit with their mating crank bearings can be installed two ways. Remember heat is your friend separating cases. We put together a list of 10 tips to help those who want to tackle the rebuild themselves. . BIG MISTAKE! I think I did a good job. March 6, 2006 in DRZ400/E/S/SM. I found one scrapped, so it was free. Many riders associate the need for a bottom end rebuild with a costly trip to the shop. Upon installation of your flywheel, be sure to use a flywheel holding tool to secure it in place when torqueing the nut. Anyways, I'll type them out again as a hyperlink maybe that will work. Please consider joining our community! However, saving on labor and parts isn't out of the question with the help of ProX. Using a crankshaft puller is an equally acceptable method and is incredibly straightforward. At this point, your crankcases should be buttoned up and you should be well on your way to rebuilding the rest of your engine. At face value, this may not seem like a big deal, however, when the flywheel is removed, or more importantly installed, in this fashion, a torque is exerted across the crankshaft. Additionally, a considerable amount of money can be saved by taking on the work yourself versus tasking a shop to perform the work. I found an inexpensive Crankcase Splitter on Ebay. The puller is threaded and seats against the crank bearing or crankcase and attaches to the end of the crank via a nut or retaining ring. Click here to check out ProX bearings and seals. Working as fast s we can to fix. Tech. If they are on your hard driveyou will be the only one to see them.unless you want to give us all access to your hard drive. To shrink the crankshaft in place the crankshaft should be set in a freezer for about an hour, and the inner race of the crank bearing should be carefully heated with a torch. Be sure to load the bearings through their outer races when pressing them in place.
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