OFNA Bearing Puller Kit for 13mm and 14mm cranks

[OFN10798]
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This is the awesome OFNA bearing pulling tool kit for 13mm and 14mm crankshafts. This will work with any engine that has a rear bearing that has either a 13mm or 14mm internal diameter (ie: the diameter of the thickest part of the crankshaft).

NOTE: When you use this bearing puller although you can remove and install bearings cold, it is highly recommended to use a heat gun to heat up the case of the engine both before removing old bearings and before installing new bearings. Keep the new bearings cold when you install them and they should drop right in as long as the crankcase is kept hot.

This product was added to our catalog on July 19, 2005.

Kenneth Smith
Verified Owner
This tool extracts and reseats front bearings without issue. It removes and reseats front bearings effortlessly. However, my first use of this tool had absolutely no effect on extracting the rear bearing of my .21 OS Vspec engine. The bearing puller [extractor] for the rear repeatedly slipped through the inner race of the bearing. Subsequently, I had to default to the "oven method" to remove the rear bearing. Reseating the rear bearing with this kit proved to be a chore as well. I had to supplement the rear bearing "reseating" assembly with a hammer to fully reseat the replacement rear bearing b/c the "hammer disc" included in the kit proved ineffective. Although I had to use a hammer, the rear "case guide" assembly proved quite effective. So, to sum it up, my purchase and usage of this tool proved effective for removing/reseating the front bearing, but proved ineffective against rear bearing extraction and reseating. I might replace the rear bearing of my Axe Rossi engine within a month. If so, I'll give this tool another try and report the results.
pete norman
Front bearings are a breeze but this tool is no match for rear bearings. Collet is soft and rounds easily. Collet is only split in half so it does not seat against the race very well. I would recommend spending the extra money for the Hudy unit. The collet is sectioned into six sections and grips the bearing much better.
Shane Adams
Verified Owner
What a great tool set. Just a gentle heating of the crankcase and you can remove and install bearings in a flash. One of the best tools I have purchased in years.
Kevin McCleary
This sure beats the oven method. It has worked perfectly so far. I tried it on an old engine block/bearings and I was able to install and uninstall them 3 times in 10 minutes. If you use the heat gun a little, it makes things even easier!
ROY J
This tool works great for installing both front and rear bearings. But for removing a tightly fit rear bearing, you will need heat. Unfortunately, while attempting to remove my rear bearing, the flange that grabs the front side of the inner race slipped through. Once this happens, the flange is rounded off slightly, making it even less effective a rear bearing remover. My suggestion with this tool is to use heat for the rear/main bearing, when removing or installing.

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