JIMS Motorcycle Drivetrain & Transmission Parts

Timken™ Bearing Simulator by JIMS®. This tool is designed to allow quick and easy removal and replacement, of flywheel assembly in the left side crankcase when checking rod to case, piston to flywheel, or cylinder to flywheel...

Timken™ Replacement Sleeve (956) by JIMS®. This bearing insert kit is designed exclusively for use with JIMS® tool No.959 shown above and must be installed only with this tool. The insert is made from aero space quality steel and has...

Transmission Case Shifter Shaft Seal Installer by JIMS®. Developed in conjunction with Hiro Koiso, one of JIMS sponsored Bonneville racers, these two simple tools make installing the shifter shaft seal precise and effortless. They...

Transmission Main Drive Gear Bearing Tool by JIMS®. Use to install main bearing H-D No.8905 or No.8906 to the factory depth. If you're looking for a quality product that will serve you for years to come, look no further.

Transmission Main Drive Gear Wrench Tool by JIMS®. Use to remove the larger 2-1/4" hex nut from the end of main drive gear, which secures the rear drive trans pulley. Very safe and easy to use, as the earlier JIMS® Tool No.94660-37A....

Twin Cam™ Case Bearing Conversion Tool (959) by JIMS®. Order Timken® bearings separately. When increasing to a larger bore size and stroke, JIMS highly recommends for 2003 to present Twin Cam models you convert the left crankcase...

4-Speed Transmission Rebuild Kit by JIMS®. Use JIMS® proven transmission parts to start with, then top it off with a JIMS® Gasket set, together in one convenient package. This is a big time saver. This top-grade product is expertly...

4-Speed Transmission Rebuild Kit by JIMS®. Use JIMS® proven transmission parts to start with, then top it off with a JIMS® Gasket set, together in one convenient package. This is a big time saver. This top-grade product is expertly...

4-Speed Transmission Rebuild Kit by JIMS®. Use JIMS® proven transmission parts to start with, then top it off with a JIMS® Gasket set, together in one convenient package. This is a big time saver. This top-grade product is expertly...

5-Speed Billet Trap Door by JIMS®. Assemblies with exhaust mount for small bearing #8998. Polished trap door with installed bearings and retainers. All of JIMS® trap doors are designed to be used with the 100 HP+ High Performance...

Complete Transmission Rebuild Kit by JIMS®. If you've ever used any of JIMS rebuild kits in the past, then you know the convenience and time saved by ordering just one part number that comes with all the necessary gaskets, seals, locks...

Countershaft Gear Bushing (35789-36) by JIMS®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.

Countershaft Gear Bushing (35791-36) by JIMS®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.

Countershaft Spacers by JIMS®. Use on countershaft door side (The spacer without the step). Sold in a pack of 5. If you're looking for a quality product that will serve you for years to come, look no further. This top-grade product is...

Overdrive Transmission Rebuild Kit by JIMS®. JIMS® proven transmission parts to start with, then top it off with a JIMS® gasket set, together in one convenient package. This is a big time saver. If you're looking for a quality product...

Overdrive Transmission Rebuild Kit (1020) by JIMS®. JIMS® proven transmission parts to start with, then top it off with a JIMS® gasket set, together in one convenient package. This is a big time saver. If you're looking for a quality...

Overdrive Transmission Rebuild Kit by JIMS®. JIMS® proven transmission parts to start with, then top it off with a JIMS® gasket set, together in one convenient package. This is a big time saver. If you're looking for a quality product...

Overdrive Transmission Rebuild Kit (1019) by JIMS®. JIMS® proven transmission parts to start with, then top it off with a JIMS® gasket set, together in one convenient package. This is a big time saver. If you're looking for a quality...

Shift Fork Shaft (34140-36) by JIMS®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.

Shift Fork Shaft by JIMS®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.

Shift Fork Shaft Kit (34186-76) by JIMS®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.

Transmission Main Bearing Race by JIMS®. Diameter: Standard (1.5635"). Standard O.D. is 1.5635", I.D. is 1.3045". The amount of the press fit in the trans case will determine the amount of line lapping required to fit new bearing and...

Kicker Gear Bushing (33438-502) by JIMS®. Standard O.D. is .925" - Imported. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your...

Kicker Gear Bushing (33438-501) by JIMS®. Standard O.D. is .907" - Domestic. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your...

Kicker Gear Bushing (33288-375) by JIMS®. Oversize +.005". 2 Pieces. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate...

Kicker Gear Bushing (33288-37) by JIMS®. Standard O.D. is .940". 2 Pieces. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate...

Kicker Shaft O-rings by JIMS®. 10 Pieces. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction. This top-grade...

Transmission Gasket and Seal Kit by JIMS®. JIMS now offers a rebuild kit for any of JIMS Fat 5 complete transmissions or Super Kits. These kits provide all the gaskets, seals, nylon washers, and O-rings needed for the build up, or...

Transmission Main Bearing Race by JIMS®. Diameter: Oversize (+.002"). Standard O.D, is 2.314", I.D, is 1.8802", It will depend on the amount of press fit and will determinethe amount of line lapping required to fit new bearing and...

Transmission Main Drive Gear Bushing by JIMS®. After installing JIMS® bushing No.35094-65 with JIMS tool remover and installer No.1005, the I.D. of bushing must be honed to size for a running clearance on mainshaft of .0017 to .0025...