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  • Replacement Upper Unit Mercruiser R, MR, Alpha One Old Style

Replacement Upper Unit Mercruiser R MR Alpha One Old Style 104-01C

SKU:
S-E-90-104-01C
Availability:
Order within and your order ships today! Details
Current Stock:
30000
$864.00
Our Price: $720.00
(You save $144.00)
Quantity:

Product Description

Replacement Upper Unit for Mercruiser R, MR, Alpha One. 1.62 Ratio

  • 1.62 ratio also replaces the 1.65 ratio
  • Comes with a [short] 8-1/8" input yoke.
  • This drive is generally used on older inline 6 and 4 cylinder engines.
  • 3 Year Manufacturer's Warranty
  • Alpha One Gen I Sterndrives 1972-1990.

Application:

  • Model: 165
    • Year Range: 1970-1977
    • Serial Range: 2763442 and up

OE#: 5523A66

Item is subject to a 20% restocking fee (Boat Covers, Bimini Tops, Outdrives, Drop Ship Items and Special Order Parts)!

How to Install Sterndrive Engineering Short Yoke

  • First, determine the length of your yoke. Newer styles are 9-9/16" and older styles are 8-1/8". Remove the clips that hold the u-joint together. You can use a screwdriver to push on it to make removing the slips easier. You may need to use the screwdriver on both sides.
  • After the clips are out, use a hammer to tap the u-joint in one direction until you can remove the cup on the opposite side. Use a suitable socket so you do not hit the yoke with the hammer. If the seal is stuck to the u-joint, use a small pick or screwdriver to remove it.
  • Using a socket of the appropriate size, pound the u-joint in the other direction. The purpose of the socket is so that you don't hit the u-joint post with a hammer. The socket should fit over the post and contact the body of the u-joint before the post.
  • With the yoke out of the way, you can start reassembly. Install both u-joint clips and the u-joint and check to make sure they rotate smoothly. If everything looks good, take them off. If you're experiencing rough rotation, your u-joint will most likely need to be replaced.
  • Install the yoke over the posts of the u-joint then insert both u-joint clips while centering the yoke.
  • Tap the u-joint together. You may be able to tap one side in all the way and put the clip in, or you may need to tap each side in a little bit at a time.
  • With both clips in, turn the yoke and see if it turns okay. If it is stiff, try hitting the opposite side.
  • You will need to grease the u-joints using a grease gun and grease that is approved for u-joints.

pdficon.png Click Here to Download Short Yoke Installation Instructions

Other Details

Google Product Type:
Engine Parts
Condition:
NEW

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