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             ENGINES
671
  QUALITY MARINE ENGINES TO FIT EVERY BUDGET
At First Mate Marine, your complete satisfaction is our first and foremost concern. We offer long blocks, cylinder head kits, and some long block assemblies with oil pan and timing cover. If you need an engine that is not listed in our catalog, please call us or fill out our quote form online. Cylinder head, block and crank casting numbers will assist us in supplying your exact needs.
HOW TO USE THE FIRST MATE GUIDE
         123
Locate the make Note identifying Determine appropriate and year attributes Part No.
YEARS ARE APPROXIMATED
CASTING NUMBERS HELP ENSURE ACCURATE CATALOGING.
  OUR PART NO. SYSTEM
ENGINE ROTATION TERMINOLOGY
Indicates Engine Indicates Original Rotation
Manufacturer L=Left; R=Right
4 bolt Main Cap
Engine rotation direction is determined by observing Flywheel
rotation from the flywheel end of the engine looking forward to
the pulley end of the engine.
Note: Propeller rotation is not necessarily the same as engine rotation. Do not rely on propeller rotation in determining engine rotation.
 GM-350-L-B-F-T
Indicates Indicates Tin Ware* Cubic Inch Design change
or Year Manufactured
*TIN INCLUDES TIMING COVER AND OIL PAN, OIL PUMP AND PICKUP TUBE, INSTALLED.
MARINE DRIVE VARIATIONS
Normal (Standard)
Rotation: Counter-clockwise (left hand) flywheel rotation
Reverse (Opposite)
Rotation: Clockwise (right hand) flywheel rotation
Jet Drive
The engine is mounted inside the boat and attached to a high speed pump which draws in water through an intake grate, increases its velocity and forces it out through a direc- tionally-adjustable nozzle which is mounted outside the boat. Changing the direction of the
nozzle steers the boat.
      Stern Drive (Inboard/Out- board, Outdrive)
The engine is mounted inside the boat. The transmission/drive unit is outside, attached to the transom. The engine and drive unit are joined by
a torque coupler and universal joint. Angling the drive steers the boat.
Inboard
The engine and transmission/drive unit are inside the boat. A drive
shaft is connected at the rear of the transmission and is run out of the hull through a sealing unit. The propeller is connected directly to the drive shaft at the in-water end. A separate rudder steers the boat.
V-Drive
Basically a modified inboard installa- tion. The engine is mounted with the front (pulley end) facing stern (rear). The trans-mission faces the bow (front) and by the use of a universal joint on the end of the transmission, the drive shaft is directed stern-wards under the engine and through the hull. The pro- peller/rudder arrangement is the same as in a standard inboard installation.
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