In this version sold from year 2006 , the dry weight is 251.3 kg (554.0 pounds) and it is equipped with a V2, four-stroke motor. Some have successfully removed the studs but if you screw them up, you are in big trouble, so be careful. Another way to do that is to hang the motor by the center (head mount) on the frame. 180-210 foot pounds 35-45 foot pounds 90-120 inch pounds 70-80 inch pounds 9-12 foot pounds 15-18 foot pounds 10-13 foot pounds 28-35 foot pounds 28-32 foot pounds 90-120 inch pounds 90-120 inch pounds 15-30 inch pounds 90-120 inch pounds 18-22 foot pounds 10-12 foot pounds Tighten in star pattern from bottom 10 foot pounds 15-17 foot pounds Then, with a pencil, make a witness mark on both the cylinder head and head bolt. The key to what the factory did is the 4 holes in the plates (2 for plate to case & 2 for plate to frame). That completes the torqueing. What are the bolts torque... What are the bolts torque specs for the motor mounts. After the front mount bolts are tightened, install the top mounting bracket(s). Remove the three remaining bolts and left crash bar bolt (if equipped). washers go BETWEEN each head and the bottom of the front-rear straddle mount. Remove the top left bolt from the lower mounting plate. 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). According to enthusiasts Allan Girdler et al., this makes it arguably the longest lasting model in motorcycle history. Asked by monrosie in Carrollton, TX on . Luger studied English literature and holds a Bachelor of Education honors degree from Leeds University. 1976 and earlier used studs for both upper and lower holes. Replaced by 16203-82A. There are no torque specs for the motor mount bolts in the 57-78 FSMs. The crankcase halves were split to replace a broken mount. Should your mount be a steel one, then it is worth installing. 48) 49), This one is only cracked for a small distance. 60) If loaded to failure, grade 5 will have more % elongation than a grade 8 before it finally breaks, but will still break at a lower stress than a grade 8. Active 11 months ago. The Evolution engine (popularly known as Evo) is an air-cooled, 45-degree, V-twin engine manufactured from 1984 by Harley-Davidson for the company's motorcycles.It was made in the 1,340 cc (82 cu in) displacement for Harley-Davidson Big V-twins bikes, replacing the Shovelhead engine until 2000 when the last EVO was placed in a production factory custom FXR4 (FXR2 … I torqued all 3 to 30 Ft. Lbs and followed the Energy Suspension specs for the through bolt (I did mine at 43 Ft. By using the website, you agree with storing the cookies on your computer. Here are the 4 kick only (4 bolt) rear motor mounts. The rear top bracket (61021-82) is 2 piece with a “T” shaped plate with a welded extension and an interlocking straight bracket. So the wise move is to use a stud threaded into the case using red Loctite. Year: Finish: Clear: Sportster Motor Mount. Also, you can double nut the stud, heat the area of aluminum around the stud (heat it, Not Cook It). There are five of the hardened washers required for the front motor mounts 76< motors and six for 77-up motors. A 5/16-inch bolt should be tightened to 12 foot-pounds. The last bolt goes thru a big round plate hole. Torque Value. Install the right crash bar bolt (if equipped). eliminate the shake in your engine. Share. However, it does reduce vibration to repair or replace. The theory is that a grade 8 bolt is more brittle and doesn't have as much elasticity as a grade 5 bolt. I looked in the service manual for it and did not see anything on this. 61) Before you buy this bike, you should view the list of related motorbikes. Loosen all the bolts slightly and give it a yank in the direction you need hold and tighten. Lower grades offer no mechanical advantage. There is sometimes some wiggle room on the rear mount. To remove the motor (given all other particulars have been removed as this is strictly regarding the mounts themselves); To install the motor (Again, this is strictly regarding the mounts themselves and all other parts will need to be addressed that were removed); 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. Remove the two top bracket support bolts (1 from each head) along with the bracket assembly. This website uses cookies for visitor traffic analysis. All-in-one design Re-locates coil and key so it’s nice, neat, and tight. Bottom rear bolt (1), 5-7/16” long (16236-52) grade 5 zinc. The top rear bracket (16266-76) has a hole and two open slots. And there is only value in the 79-85 FSM (rear motor mounting bolt-nut: 16 to 24 ft lbs). He recommends that if you want more torque, you should hone the cylinders and tighten the torque plate bolts to the same specification. Gets placed under the straddle mount (all years). There are 4 motor mount bolts. Lbs. Some values rounded. You don't have time to NOT do it right. The steel mount will never crack. On 77-85 models with the gerotor oil pump, the bolts install from the left side with the exception of the bottom rear bolt that installs into the right side. Front bolts (2), 6-13/16“ long (16237-57) grade 5 zinc. 0 replies Report. The rear mount has to be tightened first, then the other mounts. Tighten top mount and you are done. Don't forget to shim as needed. 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. 5) Make sure you "shim" the top motor mount to the frame with the appropiate amount of washers so as not to "torque" the frame. Torque: 99.0 Nm (10.1 kgf-m or 73.0 ft.lbs) @ 3500 RPM: Gearbox: 6-speed: Clutch: Multi-plate with diaphragm spring in oil bath: Fuel consumption: 4.9 litres/100 km (20.4 km/l or 48.00 mpg) Exhaust system: Black, staggered exhaust with slash-cut mufflers: Frame, dampers, brakes and wheels; Front dampers: Telescopic fork: Rear dampers: Twin shocks: Front tire: 130/90-B16 Then turn the head bolt an extra quarter-turn to achieve the correct torque. Front bolts (2), 6-13/16” long (16237-57) grade 5 zinc. Both get slid in from the bottom, thru the cross mount, washer stack, and frame bracket with the nut on top. There are 2 different top front mounts, 2 head to head center mounts (1 black, 1 chrome) and 3 different top rear mounts. The center straddle mount (16250-57) between the heads is black except for 1979-E1983 XLS which is chrome (16276-79). Some say it's best to use the original bolts which are grade 5 SAE fine thread (3/8”x24) and that grade 8 bolts are seen as overkill. In addition to what has been said about torque specs. Torque values between systems of measurement. This bolt will thread into the welded on nut sitting on the left side engine plate. It is for a 1994-2003 Sportsters, the Bolt mounts in from the Bottom of the Stem. Tighten a 9/16-inch bolt to 69 foot-pounds. Tighten front mount bolts, frame and engine. 54) The bolt holes must line up naturally or the rear mount will break in use. Install the two bottom rear engine mounting bolts. Two we will call front upper and lower. Add to cart. This is a set of short frame cases but will work to show why the mount won't slide off. Be sure to have a replacement stud in hand before doing this though. A 5/8-inch bolt should be tightened to 96 foot-pounds. You can remove the sprocket rightside cover and kick start lever (if equipped) and your view will be much improved. You cannot “pull” the rear mount into place against the other mounts as it will break the mount due to the high amount of leverage from the other mounts. This will take two of the three washers. 2001-2009 Harley Davidson HD Touring Engine Specs & Torque Specifications. Minton explains that the procedure requires the use of a torque wrench but not for final tightening. The lower rear (through the case) uses the remaining middle length one. I will check again, maybe I missed something. Top rear bolt (1), 6-13/16“ long (16237-57) grade 5 zinc. For the rest, there is a “General Fastener Tightening Specifications” chart in the 70-78 and 79-85 FSMs. The bike had to go into the shop for another reason so I asked them to check the engine mount bolts and torque to spec. 10) for all 3 bolts. 66 gets the choke lever assembly added to top side of straddle. Examples of ways to cut the rear mount off without splitting the cases for a Pingel replacement mount. So that leaves the rear motor mount sitting in the recessed area between the rear projections of both cases. Torque is the result of force applied, via a lever. This is the odd one. Engine Specifications & Torque Specs.