harley inner primary torque specs

The Ins and Outs of Harley Inner Primary Torque Specs

Hey there, bike aficionados. Today, we’ll be exploring the intricate Harley inner primary torque specs. I recently got myself in a sticky situation – without my manual and needing to know the precise torque for 5 inner bolts and outer primary cover.

I was in the process of replacing my third compensator with a Baker unit, but without help from some kind-hearted individuals, I would have been unable to complete the job. By taking advantage of their wisdom and insight, we can get these beloved Harleys running smoothly. Let us take what I learned and apply it so that they sound like never before.

Primary Drive Cover Torque Specs

As a starting point, let’s discuss the torque specification for the primary drive cover of your 2002 1200C. The recommended range is 80-110 in. lb., however it is important to be aware that this information may not apply to all Harley models; thus, double checking with your bike’s manual prior to use ensures you are employing appropriate specs.

Harley Inner Primary Torque Specs

If you’re maintaining a 2010 Dyna, pay close attention to the inner primary sealing bolts as you torque them according to these specifications:

  1. 2 bolts behind the compensator and 3 behind the clutch pack: 25-27 ft-lbs
  2. Compensator bolt final torque: 140 ft-lbs
  3. Chain tensioner fasteners torque: 21-24 ft-lbs
  4. Primary cover screws torque: 108-120 in-lbs

Nonetheless, it is imperative to remember that the Softail motor differs from a Dyna’s. Whenever you are working with a Softail bike, exercise caution when using these values.

Some Important Tips

To ensure your Harley runs at peak performance, here are a few helpful pointers:

  1. When it comes to using a bead of RTV Silicone, don’t do it. Instead, go for a new gasket and avoid using any RTV silicone.
  2. Ensure that the inner seal is facing the right direction, or it WILL leak. Trust me, you don’t want that headache.
  3. Apply some grease on the inner seal for a smooth installation.

Final Words On Harley Inner Primary Torque Specs

There you have it, folks. You now possess the data on Harley Inner primary torque specs and sequences for your Harley inner primary and transmission top cover. Always ensure that you refer to your specific model’s manual prior to applying these specifications.

When in doubt, don’t compromise the safety of yourself and your motorcycle—seek out a professional mechanic.

Lastly, it is essential to be aware of the proper inner primary torque specifications for your Harley Davidson motorcycle in order to maximize its performance and ensure an enjoyable journey. By heeding the advice and torque settings laid out in this article, you can maintain your Harley to the highest calibre and avert any issues that might emerge from incorrectly applied torque.

With the knowledge you’ve gained from this article, you can now confidently tackle the inner primary torque specs and enjoy the full potential of your Harley Davidson motorcycle. Ready yourself, hit the open road, and bask in the freedom and vitality that comes from only a Harley. Ride carefully, but with much joy!


Below are some frequently asked questions on the Harley Inner primary torque specs:

What torque for primary bolts on Harley Davidson?

For optimal performance, the primary bolts on a Harley Davidson must be torqued to 84-108 inch-pounds and tightened in a star pattern – similar to how lug nuts are secured onto car tires.

What is the torque spec for Harley M8 primary cover?

For optimal performance, it’s recommended to torque the Harley M8 primary cover between 84-108 inch-pounds.

What is the torque for a 2007 Sportster primary cover?

It is recommended that a torque between 14 and 21 ft-lbs (168 – 252 in-lbs) be applied to the primary cover of a 2007 Sportster.

What is the torque for clutch spring bolts on a Harley Davidson?

Torque the diaphragm spring bolts on a Harley Davidson to 90-110 in/lbs or 10-12 Nm, and torque the clutch hub nut to 70-80 ft./lbs or 95 – 108Nm for maximum performance.

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