(Right side engine plate sits inside the frame). When I picked up the bike the invoice said "Check Motor Mounts," "No problem found - re-torqued bolts." Gets placed under the straddle mount (all years). Install the two top rear engine mounting bolts and regulator ground strap. Don't get in a rush, it will be costly later (regrets if nothing else). All you have to do, if you should be so lucky to find a steel mount, is saw off the front 2 hole area of the mount. This keeps the frame tubes together around the sandwiched engine cases. Below you can find a vast array of technical information about the Sportster model motorcycle created by Harley-Davidson in 1957.. Replaced by 16203-82A. This bolt will thread into the welded on nut sitting on the left side engine plate. The parts book illustration is wrong. Harley-Davidson XLH 900 Sportster Specs 1970. The front motor mount uses 3 different size bolt (lengths) for the 4 holes. Frank Luger had his first educational resources published in the early 1990s. Its displacement then, and until this year, was 900 cc's. He worked on a major reading system for Cambridge University Press, became an information-technology adviser and authored interactive whiteboard resources for "The Guardian." Official torque specs are Nuts (engine) : 80nm or exactly 59 Ft-lbs Bolts to frame : 90nm or 66 Ft-lbs. That can set up a harmonic that gets worse at a specific rpm range. The right case also comes back to the end around the transmission mainshaft. The top rear bracket (16266-76) has a hole and two open slots. Except where otherwise noted, content on this wiki is licensed under the following license: http://xlforum.net/forums/showthread.php?t=1659782&page=3, http://xlforum.net/forums/showthread.php?t=1384261&page=2, http://xlforum.net/forums/showthread.php?t=1384261&page=4, http://xlforum.net/forums/showthread.php?t=2000446&page=5, http://xlforum.net/forums/showthread.php?t=1683489, http://xlforum.net/forums/showthread.php?t=829078&page=2, http://xlforum.net/forums/showthread.php?t=1145463, http://xlforum.net/forums/showthread.php?t=2056655, http://xlforum.net/forums/showthread.php?t=1297584&page=19, http://xlforum.net/forums/showthread.php?t=2031256, http://xlforum.net/forums/showthread.php?p=3204448#post3204448, http://xlforum.net/forums/showthread.php?p=5791608&highlight=motor+mount#post5791608, http://xlforum.net/forums/showthread.php?p=3246441#post3246441, http://xlforum.net/forums/showthread.php?t=2075011, http://xlforum.net/forums/showthread.php?t=1062720&page=21, https://www.hdforums.com/forum/ironhead/633728-ironhead-rear-motor-mount-stud.html, http://xlforum.net/forums/showthread.php?t=670768&page=2, http://xlforum.net/forums/showthread.php?t=1283746&page=2, http://xlforum.net/forums/showthread.php?t=2074969&page=4, http://xlforum.net/forums/showthread.php?t=2074969&page=6, http://xlforum.net/forums/showthread.php?t=1384261, http://xlforum.net/forums/showthread.php?t=1139862&page=3, http://xlforum.net/forums/showthread.php?t=1283746, http://xlforum.net/forums/showthread.php?t=1394749, http://xlforum.net/forums/showthread.php?t=1266793, http://xlforum.net/forums/showthread.php?t=1297584&page=55, http://xlforum.net/forums/showthread.php?t=1025434&page=2, http://xlforum.net/forums/showthread.php?t=727192&page=2, http://xlforum.net/forums/showthread.php?t=1023762, http://xlforum.net/forums/showpost.php?p=5079143&postcount=8, http://xlforum.net/forums/showthread.php?t=1297584&page=63, http://xlforum.net/forums/showthread.php?t=1644495, http://xlforum.net/forums/showthread.php?t=1567505&page=3, http://xlforum.net/forums/showthread.php?t=1297584&page=62, http://xlforum.net/forums/showthread.php?p=1275233, http://xlforum.net/forums/showthread.php?threadid=1567505, http://xlforum.net/forums/showthread.php?t=1699863, http://xlforum.net/forums/showthread.php?t=1108737&page=3, http://xlforum.net/forums/showthread.php?t=1699851, CC Attribution-Share Alike 4.0 International, 2 hole. Remove the right crash bar bolt (if equipped). Remove the two top bracket support bolts (1 from each head) along with the bracket assembly. These go in on the 'shelf' or top of the engine cases in the rear. The hardened washers described below are the biter washers. (The bolt head and washer takes up less space than the bolt end, washer and nut. 57). He recommends that if you want more torque, you should hone the cylinders and tighten the torque plate bolts to the same specification. Like all 2005 model year Sportsters, the 883R offers uncompromised comfort and handling thanks to its redesigned-in-2004 Evolution engine that’s rubber-mounted to a stronger, more rigid frame. Bottom rear bolt (1), 5-7/16” long (16236-52) grade 5 zinc. Bolt lengths from parts catalogs (all have 3/8“x24 threads): As you can see below, the lengths are far from being standard length and those lengths changed depending on what parts catalog you reference. You may have to weld a nut on the end of the stud to get it out. The information is divided into four sections: Ironhead Models (1957-1985) Evolution Models (1986-later) Reference Material (All Years) Misc Resources - Sportster Parts, Tech Bulletins, etc. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, "The Harley Davidson Sportster"; Allan Girdler, David Dewhurst; 2004, "Harley-Davidson Sportster Performance Handbook, 3rd Edition"; Buzz Buzzelli; 2006, "Harley-Davidson XL Sportster 2004-2006"; Clymer; 2006. This page has been created from XLForum posts and pics, era model Sportster parts catalogs, parts catalog supplements and pics / documentation from JW Boon.com or NOS Parts.nl. Whilst many of them tend to crack, some only crack so far and then stabilize. You can induce added vibration and potential for cracks in the mounts or cases if the mounts aren't installed properly. Viewed 1k times 1. Harley's head-bolt torque method harkens back to a time when torque specifications were less scientific. 54) DO NOT pull things into position or jam bolts in under pressure! Then with a box wrench, start to back the stud out. 57 gets the choke mount placed under the cross mount. The two bolts at top flange were no longer incorporated into the tray, so the mounts were not milled. That completes the torqueing. 66) 65-76 uses the stud in the horn mount instead of the bolt. If you are talking about the Passenger Motor mount. If you want to use a bolt, then you should have a Heli-Coil installed in the case first. If fasteners are elongating that much in any application, there are other problems. 2001 Pontiac Grand Am. ). February 09, 2016. From left to right (each pic below): The first 3 use the 2-1/16“ long lower bolts(when not using the passenger peg mount). And there is only value in the 79-85 FSM (rear motor mounting bolt-nut: 16 to 24 ft lbs). If you have a brand new replacement mount in hand right now, it will crack. Be advised though that these studs are not easy to remove. Share. For the rest, there is a “General Fastener Tightening Specifications” chart in the 70-78 and 79-85 FSMs. If they aren't then something is amiss. This website uses cookies for visitor traffic analysis. Replaced by 16210-79 (black) and 16213-79 (black), 1982-E1984 lower front motor mounts / filter mount. For a 3/8-inch bolt, set your torque wrench to 20 foot-pounds. The MoCo's first use of grade 8 motor mount bolts was in 1986. And that upon a collision, a grade 8 bolt would break or shear whereas a grade 5 bolt would bend or deform (but still remain “intact”). There are conflicting views on what grade bolts to use. Don't forget to shim as needed. A 1-inch bolt should be tightened to 310 foot-pounds. You can also replace it with an aftermarket mount. However, the whole story is not in the manual. Replacement in 63 was 3/8”x24x1-1/8“ grade 5 zinc, hex head. at 4,000 rpm. A 5/16-inch bolt should be tightened to 12 foot-pounds. With a gut full of torque, low seat-height, minimalist features and subtle colors, this Harley really had me thinking it was one that I would gladly have in my garage. The Harley-Davidson Sportster is a line of motorcycles produced continuously since 1957 by Harley-Davidson.Sportster models are designated in Harley-Davidson's product code by beginning with "XL". Active 11 months ago. The rear top bracket (61021-82) is 2 piece with a “T” shaped plate with a welded extension and an interlocking straight bracket. By using the website, you agree with storing the cookies on your computer. After the rear mount is tightened, then install the front mounts. 2) 3) 4). 10) What are the torque specs for upper motor mount bolts 21mm,18mm,15mm on my 2007 ford fusion 2.3L. 1976 and earlier used studs for both upper and lower holes. 50) 51). If it's just put in and tightened up it could be out of alignment and stress one area more than others. In order to use the 6 bolt battery tray (up to -52b) the mount needs to be milled clear across the upper flange (iron mounts). (left shown). They did it because there is good engineering reason to use a stud over a bolt. What are the torque specifications for the rear shock mount bolts,as I am about to install a rear lowering kit on - Harley Davidson 2001 XL 1200 C Sportster question 34). The last bolt goes thru a big round plate hole. Also, you can double nut the stud, heat the area of aluminum around the stud (heat it, Not Cook It). So that leaves more clearance for the green wire/nut from the oil switch.). 13). Looking at the Service manual, it has you torque the stock head gaskets to 15 ft lbs and then mark them and tighten them another 90 degrees. I just need to know what the Torque Specs are. Add to cart. Very important! Now tighten up the rear mount bolts evenly until the rear mount is seated and torque the bolts. Strap the bike to the jack or stand with ratchet straps so it doesn't tip or fall off. 8) Remove the stoplight switch (66 and earlier), rear brake lever and spring (74 and earlier) and gear shift foot lever (75-up). Replacement motor mounts from rubber stock mounts to solid motor mounts. 1/8“ thick 1” dia. The bolt holes must line up naturally or the rear mount will break in use. Guide for Prevailing-Torque Lock Nut Assembly Torques (Cad and Wax, Grade B, C, and Grade G flange nuts) lock nut standards from IFI-100 requirements Torque-Tension Requirements Imperial has made a concerted effort to provide accurate information in its catalog and on its web site, however Imperial assumes no responsibility for the accuracy of the information. I have found 60-70 Ft. Lbs, … Later it was made of aluminum and prone to cracking. The top front bracket (16214-81) is a wide “L” shaped piece with 4 mounting holes.

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