Yamaha C-50, Rigging Manual

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Outboard Rigging Guide - 2001
General Rigging Information
Delivery of Unit
This is the most important part of ensuring a
satisfied customer. Make sure the customer is
given an operation orientation of both the boat
and engine. Also, be sure to explain the alarm sys-
tem, return to port operations, engine break-in
procedure, and maintenance schedule. If possible,
it is a good tactic to take the customer for an ori-
entation ride in their new boat. Be sure to answer
all customer questions completely. This is the
beginning of a good relationship with your deal-
ership and the customer. From this point on the
customer becomes a service client.
Engine Break-in Procedure
Be sure to express to the customer the importance
of performing the engine break-in procedure for a
new engine explained for them in their Owner’s
manual. It is necessary to allow mating surfaces
of moving parts to wear-in evenly. Advise the cus-
tomer that correctly breaking in a new engine will
help ensure proper performance and longer
engine life.
• Failure to follow the engine break-in procedure
may result in reduced engine life or even severe
engine damage.
• HPDI does not require premix fuel.
• 2-Stroke Engines
Premix fuel must be used during engine break-
in in addition to oil in the Precision Blend
System.
• Precision Blend Engines Only
After engine break-in, use gasoline (petrol)
only. If premix fuel is used continually, the
spark plugs could become oil fouled and affect
engine performance.
Make sure to mix gasoline (petrol) and oil com-
pletely, otherwise the engine may be damaged.
Procedure:
1. First 10 minutes: run the engine at idle or fast
idle speed only.
2. Next 50 minutes: Do not exceed half throttle
(approximately 3,000 rpm). Vary engine speed
occasionally. If you have an easy-planing boat,
accelerate at full throttle onto plane, then
immediately reduce the throttle to 3,000 rpm or
less. Run EFI engines between 2000-3000 rpm.
Do not cruise below 2000 rpm.
3. Second hour: Accelerate at full throttle onto
plane, then reduce engine speed to three-
quarter throttle (approximately 4,000 rpm).
Vary engine speed occasionally. Run at full
throttle for one minute, then operate at about 10
minutes at three-quarter throttle or less to let
the engine cool.
4. Third through tenth hour: Avoid operating at
full throttle for more than 5 minutes at a time.
Let the engine cool between full throttle runs.
Vary engine speed occasionally. Avoid operat-
ing EFI engine at 2,000 rpm and below for
more than 1 hour at a time.
5. After the first 10 hours, operate the engine nor-
mally. Use straight gasoline (petrol) in the fuel
tank. For oil injected engines, Yamaha
Precision Blend System provides proper lubri-
cation for normal operation. For non-oil
injected engines go to normal fuel/oil ratios.
CAUTION:
Engine Break-in Time: 10 hours
Engine Break-in Premix Ratio
Gasoline (petrol): Engine oil = 50:1
Double the oil amount for 25:1
Mixing 50:1
Ratio
Gasoline (0.26 US gal) (3.2 US gal) (3.7 US gal) (6.3 US gal)
(Petrol)
Engine Oil (0.02 US qt) (0.25 US qt) (0.30 US qt) (0.51 US qt)
CAUTION: