JIMS Transmission Rebuild Service is Here

We all know times are tough, and for some that may mean keeping your “older” motorcycle running strong instead of upgrading to a new bike. One part that will need attention on an older bike is the transmission. When you find yourself needing your transmission rebuilt, the experts at JIMS have the answer with their in-house rebuild service. Long known for superior, innovative products, JIMS has portioned off a section of their 50,000 square foot facility for a transmission rebuilding service. This makes perfect sense, because JIMS not only manufacturers transmissions, they also make the specialty tools required to service them.

With the amount of parts, specialty tools, and skill required for the rebuild, this is definitely a job for a professional mechanic. Lucky for you the technicians at JIMS can do the rebuild for you at a very reasonable rate. JIMS transmission rebuild service is available for Harley-Davidson and aftermarket transmissions. Whether you have a JIMS’ trans, an old 5-speed, or even the new Cruise drive, JIMS has you covered. Simply pack up your trans, ship it off to JIMS, and in a short amount of time your rebuilt trans is back at your door ready for installation. It’s as if you sent your trans away on vacation, and it came back rested and ready for work.

I spent some time with the technicians at JIMS as they walked me through the process:

The first step is an inspection of the outside of the case for any visible damage. The technician then mounts the transmission on a specially designed fixture, and the top and side covers are removed.

The shift forks and drum are removed next.

The entire gear set is then removed attached to the trap door

The trap door and gear set part ways with the help of a JIMS trap door puller.

The bearings are pressed from the trap door and sent off to wherever bearings go to die.

The tech then mounts the main and counter shaft in a special fixture and removes the gears.

After the transmission was stripped, the amount of parts laid out was a bit overwhelming.

The whole process was completed with such knowledge and precision it was reminiscent of a soldier field stripping his weapon. All parts are then thoroughly cleaned, and sent to inspection to identify defects.

The inspection lab is set-up with an array of specialty measuring devices. The one that caught my eye was the “Illitron Variable Involute Profile Measuring Instrument”. This device ensures the gear profile is within tolerance, and it makes me feel smart saying “Illitron Variable Involute Profile Measuring Instrument”.

A multitude of other devices (with names just as hard to pronounce) are used to inspect the gears to ensure they are suitable for service.

The main and counter shafts are loaded in a special fixture and checked for wear and run-out.

All other hard parts go through a similar barrage of testing. Any part found to be out of tolerance is replaced with a new part.

Once the inspection is done, the transmission goes to the assembly department. Every tolerance is checked while the transmission is assembled by one of JIMS’ seasoned technicians. JIMS replaces all bearings, seals, gaskets, and any worn parts that are out of service wear limits. If the shafts, gears, or other parts need replacing there will be some additional cost for the rebuild.

This is great way to get your transmission factory fresh again. As a leader in transmission manufacturing it makes sense to have JIMS rebuild your trans. I have to say, after watching the whole process it is understandable why most riders leave this job for the pros.

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