| Aftermarket omc parts, gear sets with tech support |
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| Click here for # 22510 for 21-16 Gears please use # 22512 for 21-17 Gears |
- 21-19 gear ratio can be changed to 21-20 single engine OMC boats with original gear set of 21/16 that are 24 feet long
or with original motor should go with 21-17 gear ratio to make up for compression loss, and weight.
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30 Minute free tech help service comes with any OMC upper gear case gear sets sold.
Purchaser needing help with shimming or any stern drive related problems please phone 4pm to 7 pm west coast USA time.
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We have Tech service illustrations with exploded drawings for the do-it-yourself
mechanics new to OMC boat repairs. See 800 / 400 Stringer series upper gearcase drawings and layouts to find OMC parts needed
for your sterndrive repair.
| OMC parts drawings Click Here |
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| # 22590-17 Aftermarket parts bearing retainer assemble |
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The following are a list of OMC stern drive parts that you may require to repair
OMC outdrive units. They are as follows.
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Seal kit # 87650 years 1973 thru 1986
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Seal kit # 87651 years 1968 thru 1972
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Plastic shim kit # 23310
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Shim kit # 23510 (stainless steel) for driven gear
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Shim kit # 23320 (stainless steel) for small timken bearing located at rear of OMC
stern drive case
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Loctite aviation gasket sealant # 30517, 680 or 609 Loctite for outside of seals
and inside gear shaft to ball gear area
T.C.Electronic / Marine Tech support service
number (416) 751-7326
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