Mathews z7 Draw Length Adjustment: Here’s How You Do it

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Have you gotten your hands on a Mathews z7? If you’ve then you must have tried it out at the shooting range. But probably discovered that the draw length was incompatible with you. So you’re looking to adjust the draw length on your bow.

Has the question how is the mathews z7 draw length adjustment done circling your mind?

You should remove the screw to adjust the draw length. By removing the screws, you can bend the module. The actual draw length of the Mathews Z7 is indicated on the modules. If you're not sure how to proceed, try changing the module in different directions. Then wait and watch what happens.

Check for Mathews z7 Accessories

Have you been pleased with the small explanation above? It’s only a peek into the article if you want to know more why don’t you read on.

Specifications of the Mathews z7

Here we’ve assembled the features and corresponding values of the Mathews z7.

Features Values
Brace Height 7″
ATA Length 30″
Draw Length 25-30″
Draw Weight 40-70 lbs
IBO Speed 332 fps
Mass Weight 4 lbs
Let-Off 80%

We hope that this helps you better understand your Mathews z7 bow and its cam timing.

Here’s How You can Adjust the Mathews z7 Draw Length

How You can Adjust the Mathews z7 Draw Length

The Z7's draw length ranges from 25 to 30 inches, with half-size increments. The draw length of the Z7 can be modified, although it is cam dependent. For each draw length you desire, you'll need a unique cam.

Necessary Components

We’ve created a list of items that you’ll need to configure the draw length.

  • Wrench
  • Bow Press
  • Thread Sealant
  • Pliers
  • Screwdriver

Don’t have a bow press on hand and would like to buy one? However, confused by all the options on the market as to which one is the best. Well here’s our recommendations regarding bow press.

Product 1
Product 2

The products that we’ve recommended here have been used by us prior to suggesting to you. You don’t have to worry about their being defective as we’ve put them through the test.

Draw Length for Adjustable Cams

We’ve broken down the process for adjusting the draw length on Mathews with adjustable cams. Here learn about the steps.

  1. Find the progressive notches on the bow's cam. The indicators will be designated 1 through 4 or 5, or A through D or E. Here each point signifies a 1-inch variation in draw length.
  2. Using a wrench, remove the setscrews in the cams. When using flexible cams, you shouldn't need to ease the stress from the bow limbs. You also don’t need to ease the stress from string, or cables to alter the draw length.
  3. Twist the cam's control gears one point up or down to increase or reduce draw length. Trying to increase it by 1 inch and then twist the cam left once.
  4. Thread sealant should be applied to the setscrews. Replace the bolts in the cam and secure them. Modify the cam if you want to adjust the draw length. However, you can do it as much as the control roller permits.

The above instructions should help with adjusting the draw length on your bows. You can also follow the above instructions to adjust other bows with adjustable cams. For example, you can also adjust the draw length of bowtech bows. 

Draw Length for  Non-Adjustable Cams

We’ve broken down the process for adjusting the draw length on Mathews with non-adjustable cams.

  1. Place the bow in a bow press as per the guidelines issued by the bow press supplier. Activate the bow press, squeezing the bow limbs until all strains are discharged.
  2. Slip your fingertips beneath the bow cords and take them out of the cam slots. Then take out the camshafts.
  3. A screw affixed to the base of the crankshaft will hold the bow's cams in position. You will find it at the end of the bow's limb. Using the wrench, extract the bolt from the camshaft.
  4. Detach the circlips from the camshaft. Do this by inserting the rivets of the circlip piers into the holes at the end.  With the pliers, split the circlips and lift the circlips off the camshaft.
  5. With your fingers, take the camshaft out of the groove at the tip of the bow arm. If the shaft becomes stuck, use the point of a small screwdriver to pry it free.
  6. Extract the old cams from the limbs with your hands. Place the new cams, sized for your draw length, in the location of the previous cams.
  7. Reconnect the camshaft and fasten the bolt or circlip to the camshaft's end. Place the bow cables into the new cams' slots. Take the bow out of the bow press.

We hope all the steps we’ve covered in the two parts have satisfied you. Work accordingly and hopefully your arrows will not go left or right anymore.


Question: What is the distinction between Mathews z7 and the Mathews z7 Extreme?

Answer: To begin with, the redesigned z7 Xtreme is supposed to be more portable. It's 2 inches shorter from wheel to wheel than the original z7. It measures 28″ from hub to hub. In addition, the Xtreme has a somewhat more forgiving brace height.

Question: How can I determine the length of my draw?

Answer: Take the length between the tips of your fingers and the tips of your other middle fingers. This is the height of both arms, hands, and chest. Your draw length is calculated by subtracting 15 and dividing by 2.

Question: How does the length of the draw affect precision?

Answer: Because your arm must bend to accommodate for the reduced draw length, your body position is affected. And any alteration in bodily position, whether wrists or your head will reduce your accuracy.

Final Words

We hope that this article of ours has answered everything regarding mathews z7 draw length adjustment.

When shooting with a new bow it’s extremely necessary to adjust the draw length. Otherwise, you will lose precision and miss your mark.

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