Don't think he will be reading this postto re load the pics. 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. Once set up, the puller is tightened and the crankshaft is pulled through the bearing. firewood processor blocco homemadetools logging After, the majority of the crankcase bearings should fall out of their bores. 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. I am working on a fix. The harmonic puller sites underneath the plate as shown in this photo here: The engine requires M6x1.00 screws. 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. 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. We split a 024 and a ms 880 with this one. 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. Ahhvery ingenius. If you do not want to or cant use the heating method to remove the bearings, an arbor or hydraulic press may be utilized to aid in removal. Its recommended to peruse your service manual or microfiches ahead of the rebuild to generate a list of replacement components. So to help you out. I found one scrapped, so it was free. 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. Get 500+ tool plans, full site access, and more. Commonly, two specialty tools are required to remove the flywheel - a flywheel puller and a flywheel holder. 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. It is imperative that both are utilized. homemade tenon cutter log homemadetools tongs sawmill logging tools hart gary advertisement Properly keeping track of these items is critical. 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. Discussion in 'Chainsaws' started by Mark71gtx, Jan 14, 2016. Inner race temperature can be gauged by applying a drop of water to the surface of the race. We do not sell or release any of your private or personal information except in response to a valid court order. Haha, yeah I hear yeah! However, it was a real pain removing this gear. Ordering in kits creates less hassle and is a budget-friendly step in your rebuild. 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. Working as fast s we can to fix. I split my case. Now that is being resourceful! I use a steering wheel puller, works fine on AT-CT`s. It is super simple to set up, and made in the USA. I removed the nut for this gear as indicated in this photo. feeler crankcase Using a crankshaft puller is an equally acceptable method and is incredibly straightforward. Replacement components are a major factor to consider, both in terms of cost and engine performance, when diving into a bottom end rebuild. 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. I think I did a good job. so you have used it on a zuki and a yam, how about a honda? A blind bearing puller will also have to be heavily relied on to facilitate removal. Similarly, on two-strokes, the passages that lead to the crank bearings should be cleaned. Once the crankcase splitter is set up, it is imperative that separation happens evenly around the periphery of the crankcases. 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. Ahhvery ingenius. I now have an idea for saws the splitter will not fit. 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". Yeah that is weird. The tool took me an hour or so to make. homemade tenon cutter log homemadetools tongs sawmill logging tools hart gary advertisement Powersports, As the engine is torn apart, you will amass a significant number of components, bolts, nuts, and miscellaneous hardware. firewood processor blocco homemadetools logging But looks like he used a welder and a cutting torch. For example, most crankcase bolt holes are 6mm, so the stud should be screwed down at least 9mm to ensure adequate thread engagement. To ensure the bearings are at the bottom of their bores, they should be tapped to confirm they are fully seated. The crankshaft should either be rebuilt or replaced depending on the severity of wear and desires of the builder. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Read about the advtantages of ProX connecting rods here. UnfortunatelyI already bought a motion pro case splitter. Why is it when I am logged in, the links come up? Crankshafts that utilize an interference fit with their mating crank bearings can be installed two ways. Click here to check out ProX bearings and seals. Many rebuilds have gone awry because a flywheel holding tool was not used during the rebuild. Just to show some diversity to this Universal Case Splitter, used it tonight to split the case on a '72 Suzuki TC125. yours or anybody.. The cautionary point here is to use care when heating if the crank seals have already been installed. Be sure to tap on the outer race of the bearing. While my method is far from the only one, make sure you have a robust and sustainable system for keeping track of everything. 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. Look around, I see them at flea markets for cheap too. The trays will catch the bearings and any oil that did not get cleaned out. Lets get started! Be sure to position the crankcase splitter arms as close to equispaced from one another as possible. Comes with posts in 6X1.0 case threads, and 8X1.25. I have used it to split the cases on: 1970 CT1, 1972 CT2, 1974 DT175, and (of all things) a 1952 Harley Hummer. Please Log in or Create an account to join the conversation. 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! After an hour of grief, I found out my problem. All other company and product names are trademarks or registered trademarks of their respective companies. Signup for our newsletter and get the 173 Best Homemade Tools eBook free! There are a few noteworthy items to discuss when separating the crankcases. When I log out of thumpertalk, the links go away? After an hour of grief, I found out my problem. To remove the bearings by heating the crankcase halves, position the crankcase halves split line down on a pair of trays. majesus, Component inspections should be conducted to assess the condition of the gearbox, crankcase bearing bores, and crankshaft. By continuing to browse our site you agree to our use of data and cookies. When this happens, a punch and hammer should be used be help square the bearing to its bore. First off, I always recommend blocking the crankcases so that the split line lies horizontally, and confirming which side should be oriented face up. BIG MISTAKE! 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. 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. The use of seal pullers to facilitate seal removal is not completely necessary, but is definitely recommended. Please consider joining our community! hehehe, Good luck and let me know how it goes. Doing this will reduce the likelihood of components falling out and ensure that subsequent removal of components goes smoothly. That way the pics stay linked to this specific post and thread. Starting with tools, youll need a few specialty tools in conjunction with your standard sockets, wrenches, etc. any chance of chucking them up again im really keen to see them!! We put together a list of 10 tips to help those who want to tackle the rebuild themselves. It took a little while, as I started with a tiny hole, and worked my way up. March 6, 2006 in DRZ400/E/S/SM. No I didn't leave them on my HD. Best thing to drive. Also, ensure that the splitter studs utilize thread engagement at least 1.5 times the diameter of the bolt. They usually have the metric bolts needed. Once seated, work to button up the crankcase assembly should progress quickly, and the remaining inner race can be heated and the crankcase installed. Then everyone can see them. You need JavaScript enabled to view it. I highly recommend reviewing the sequence of events and procedure in advance of executing the work. Easy to find parking, cheap insurance, and takes me wherever I want. Easiest way to post pice is to post them in your garage. 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. Many riders associate the need for a bottom end rebuild with a costly trip to the shop. I dig it. 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. Bottom ends are taken apart for many different reasons. Checking is insurance that our postal system didnt drop your crank, and that the factory or rebuilder did their job correctly. Using heat to remove the crankcase bearings reduces bearing bore wear and work on part of the rebuilder. You need to have a copy of the factory service manual or equivalent for your particular vehicle. 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. 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. 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. looks like a handy tool. ), Husqvarna 372XP crankcase, with crankshaft. You also need a harmonic puller. . Alternatively, utilizing a crankshaft puller is another great way to install the crankshaft. I use to have a MIG, but then I went to Grad school, I had to move into the big city. At this point, it is my recommendation that all components that originated inside the crankcases be thoroughly cleaned. Take off the gear and remove the PIN! The tips will be presented in chronological order. DIY Chainsaw Crankcase Splitter - comment on how to build a Chainsaw Crankcase Splitter - 0 comments. Screwdrivers and the like should never be used to facilitate separation. . 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. hehehe, http://pg.photos.yahoo.com/ph/k_fitchgerald/detail?.dir=fc2c&.dnm=7b16scd.jpg&.src=ph. Privacy Information: We and our partners are using technologies like cookies and process personal data in order to improve your experience. 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. 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). As the case splits, I was then able to use the bolts directly. . December 21, 2018 / by 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! 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. These statements are only true, however, assuming the bottom end rebuild is performed correctly. The parts needed are shown in this photo (sorry should of used a background with a different contrast): You will need a 1/4" aluminum platting. For this reason, it is advisable to thoroughly clean the crankcases prior to heating them up, as well as keeping ventilation in mind. 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. 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. Alternatively, a press can be used. I would like to make one like it. This can be farmed out to a competent shop, machinist, or if properly equipped, performed in-house. Instead, the crankshaft was secured from the primary drive side when the flywheel nut was removed/installed. homemade splitter crankcase motorcycle handlebar risers homemadetools BIG MISTAKE! 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. Additionally, a considerable amount of money can be saved by taking on the work yourself versus tasking a shop to perform the work. Price is $59.95. Homemade chainsaw crankcase splitter fabricated from steel. 7" x 9" is perfect. 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. Due to the extraordinary growth of the membership and resources, we are once again bumping up against hosting limits. It's rough, but, I love my bike. Their use reduces the likelihood of bore damage during removal. log homemade jig tenon track sawmill wood hauler homemadetools furniture splitter dave plans When you buy through links on our site, we may earn an affiliate commission. However, the former seems to be a better method. Tech. Any seals installed cock-eyed will wear out prematurely. Then paste the address you just copied there and it works like a charm. Images provided and owned by Kelsey Jorissen Photography, LLC. , But there is a home built case splitter in the FAQ Basic, Special and Home Made tools Just for the DRZ. 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. | 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.