IMCO SCX Series Information, Operation And Maintenance

IMCO SCX SERIES INFORMATION, OPERATION & MAINTENANCE
1. SCX & SCX4 Drives will not fit on a standard gimbal helmet, IMCO HELMET:
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#05-8025 Black or #05-8027 Silver or #05-8028 ITS Black is required.
2. Maximum
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sit between neutral and in gear position.
3. Do Not!
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with the engine running!
4. When using SCX or SCX4 drives it is necessary to have full hydraulic steering for your
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safety.
5. When tuning engine, remove propeller and shift drive into forward gear!
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6. Do not run your boat with a worn or loose gimbal ring or helmet, worn clevis pins, or clevis bushings.
7. Every hull is different and requires a different setup: Many different things contribute to performance:
water pickup location, cavitation plates, gear ratio, drive height, prop, weight distribution, water conditions,
weather conditions.
8. If you are installing the drive on a new application, consult the manufacture or a dealer with experience
with the hull to determine the proper drive height.
9. SCX Drive is 19 7/8" from crankshaft center line to prop shaft center line (2" shorter than standard
Bravo).
10. The bolt pattern is different from the SCX to the SCX4, lowers cannot be interchanged.
11. Max propeller diameter on the SCX is 16 3/4", SCX4 is 17" (always check that there is at
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least 1/2" clearance between the propeller blades and the drive case).
12. Large diameter propellers installed on a #6 prop shaft will require a torque tab on single engine boats.
13. SCX and SCX 4 drives require a drive oil reservoir with a minimum capacity of 1 1/2 quarts.
14. When installing drive to gimbal or lower to upper always use anti-seize on all threads.
15. When installing lower to upper, inspect all "O" rings, replace as necessary, pressure check to insure
proper seal.
16. If you do your own maintenance and repairs on your IMCO drive, you will need a service manual and
the proper tools. Service manuals and tools are available at www.imcomarine.com/cal_store.
17. Always wear proper safety equipment when operating your boat, testing or running at high speeds.
18. Inspect for: oil level in drive and reservoir, leaks, loose fasteners, worn parts.
Recommended oil: Torco RTF GL-6 Torco Part #A220015CE (unit) Part # S220015C (case) IMCO Part #
09-2600 (unit) Part # 09-2605 (5 Gal.) Part # 09-2610 (case) (100% Synthetic Racing Transmission Fluid)
Replaces SAE 75W90.
engine idle speed is 800 RPM. Shift drive with a positive move, do not let clutch
Install propeller until the drive shift linkage has been properly installed and tested
Before Running!