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Service, Maintenance & Repair Manuals

Seloc Marine Engine Maintenance & Repair Manuals are one of the most comprehensive and informational repair guides available for outboard, inboard and sterndrive engines.

From performing actual teardown procedures to digital photography, Seloc repair manuals have been there all the way with complete up-to-date, illustrated detailed directions.


  • Up-to-the minute information
  • Detailed step-by-step instructions
  • Hundreds of repair procedures
  • Thousands of photos
  • Wiring diagrams
  • Troubleshooting and diagnostics
  • Maintenance and specification charts
  • User-friendly

Seloc Publishing has been an innovator in helping boaters maintain and repair their outboard and inboard engines for over 30 years. Most models also include an online version.

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Post a question or comment about Service, Maintenance & Repair Manuals to our online boating community.
Determine how much I need to shim to drive gear...

How do I use a feeler guage to determine how much I need to shim to drive gear in the upper unit of a Stringer outdrive? And I was told that the bearing and race on the same gear shaft is also manufactured by Timken, any idea what part number Timken ?


We don’t have a cross reference to Timkin. You can’t use a feeler gauge to shim gears. You have to install the gear blue the teeth rotate and check the wear pattern. We suggest you purchase a Seloc repair manual. It will cover this procedure.

Submitted by: Bubby Cook

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