- Salt can cause extensive corrosion to the drive and
engine. Ensure the frame is cleaned and lubricated
every time it is run in salt water. Corrosion will cause
nish damage, switch failure, wire shorting, and engine
failure. Remove corrosion on painted surfaces. Matching
paint can be purchased from Backwater Performance
Systems. Use silicone spray protectant on wire
connections.
- Drive seal damage will result in loss of grease level
in the drive and cause bearing damage and early failure.
- Bolts, nuts and other fasteners should be checked
frequently to prevent early drive and engine failure.
- Impacts can cause engine and drive damage. This
includes prop and skeg damage, oil cooler and hose
damage, throttle and kill switch breakage. Severe
impacts can cause carburetor and air lter separation.
Oil Recommendations
We recommend the use of a good quality 10W30 or synthetic blend 5W30 oil
classied for service SF, SG, SH, SJ or higher. Do not use special additives.
CHECK OIL:
Place the engine in a level position for 5 mins. Clean the
oil ll area of any debris. Remove the dipstick and wipe
with a clean cloth. Insert the dipstick fully. Remove the
dipstick and check the oil level. It should be at the top of
the oil level indicator. If low, add oil slowly. Do not
overll. Replace the dipstick.
ENGINE RPM:
The engine idle speed should be set at 1200 RPM or less
to ensure smooth and jolt free shifting. Higher RPMs can
cause damage to the drive and you can lose control of the
engine and cause serious injury or death to the operator
and passengers.
Full throttle engine RPM is set by the propeller size when
run in the water. Use the factory recommended
propellers for your engine size. Normal operating RPM
is from 3800 to 4200 RPM. Carburetted engines are
equipped with a high RPM governor that will cut out the
engine at 4650 RPM. EFI engines ECM’s govern the engine
speed at 4750 RPM. Do not over rev your engine higher
than 4200 when the propeller is out of the water at high
speeds for longer than three minutes – this can cause
excessive heat and damage to the propeller seals and
bearings.
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