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CHAPTER 1
GENERAL INFORMATION
IDENTIFICATION NUMBERS ......................................................................... 1-1
PRIMARY l.D. NUMBER ........................................................................... 1-1
ENGINE SERIAL NUMBER ...................................................................... 1-1
JET PUMP UNIT SERIAL NUMBER ......................................................... 1-1
HULL IDENTIFICATION NUMBER (H.l.N.) ............................................... 1-1
SAFETY WHILE WORKING...................................................................... 1-2
FIRE PREVENTION .................................................................................. 1-2
VENTILATION ........................................................................................... 1-2
SELF-PROTECTION ................................................................................. 1-2
PARTS, LUBRICANTS, AND SEALANTS ................................................ 1-2
GOOD WORKING PRACTICES ............................................................... 1-3
DISASSEMBLY AND ASSEMBLY ............................................................ 1-4
SPECIAL SERVICE TOOLS ........................................................................... 1-5
MEASURING ............................................................................................. 1-5
REMOVAL AND INSTALLATION .............................................................. 1-7
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GEN
INFO
SAFETY WHILE WORKING
SAFETY WHILE WORKING
To prevent and accident or injury and to
ensure quality service, follow the safety proce-
dures provided below.
FIRE PREVENTION
Gasoline is highly flammable.
Keep gasoline and all flammable products
away from heat, sparks, and open flames.
VENTILATION
Gasoline vapor and exhaust gas are heavier
than air and extremely poisonous. If inhaled in
large quantities they may cause loss of con-
sciousness and death within a short time.
When test running an engine indoors (e.g., in a
water tank), be sure to do so where adequate
ventilation can be maintained.
SELF-PROTECTION
Protect your eyes by wearing safety glasses or
safety goggles during all operation involving
drilling and grinding, or when using an air com-
pressor.
Protect your hands and feet by wearing protec-
tive gloves or safety shoes when necessary.
PARTS, LUBRICANTS, AND
SEALANTS
Use only genuine Yamaha parts, lubricants,
and sealants or those recommended by
Yamaha, when servicing or repairing the
watercraft.
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