1999 YAMAHA YZF-R7 oil type

EB004000
SYMBOLS
The following symbols are not relevant to
every vehicle.
Symbols
1
to
9
indicate the subject of
each chapter.
1
General information
2
Specifications
3
Periodic checks and adjustments
4
Overhauling the engine
5
Cooling system
6
Electronic fuel injection
7
Chassis
8
Electrical
Symbols
9
to
F
indicate the following.
9
Serviceable with engine mounted
0
Filling fluid
A
Lubricant
B
Special tool
C
Tightening torque
D
Wear limit, clearance
E
Engine speed
F
Electrical data
Symbols
G
to
L
in the exploded diagrams
indicate the types of lubricants and lubrica-
tion points.
G
Engine oil
H
Gear oil
I
Molybdenum disulfide oil
J
Wheel bearing grease
K
Lithium soap base grease
L
Molybdenum disulfide grease
Symbols
M
to
N
in the exploded diagrams
indicate the following.
MApply locking agent (LOCTITE
â)
NReplace the part 12
34
56
78
90
AB
CD
E F
GHI
JKL
M N
SPEC
CHK
ADJENG
COOLEFI
CHAS–+ELEC
T R..
GME
BLSM
LTNew

EC0A0000
CONTENTS
CHAPTER 1
GENERAL INFORMATION
GIVE SAFETY THE RIGHT OF WAY ........ 1-1
DESCRIPTION ........................................... 1-2
INSTRUMENT AND CONTROL
FUNCTIONS .............................................. 1-4
OPERATION AND IMPORTANT
RIDING POINTS ...................................... 1-12
INCLUDED ACCESSORIES ..................... 1-14
MOTORCYCLE CARE AND
STORAGE ................................................ 1-15
CONSUMER INFORMATION ................. 1-17
TROUBLESHOOTING .............................. 1-18
IMPORTANT INFORMATION ................. 1-20
CHECKING THE CONNECTIONS ........... 1-22
SPECIAL TOOLS ..................................... 1-23
CHAPTER 2
SPECIFICATIONS
GENERAL SPECIFICATIONS .................... 2-1
ENGINE SPECIFICATIONS ....................... 2-2
CHASSIS SPECIFICATIONS ................... 2-11
ELECTRICAL SPECIFICATIONS ............. 2-15
TIGHTENING TORQUES ........................ 2-17
LUBRICATION POINTS AND
LUBRICANT TYPES ................................ 2-22
OIL FLOW CHART ................................... 2-24
COOLANT FLOW CHART ....................... 2-25
CABLE ROUTING .................................... 2-26

ENGINE SPECIFICATIONS
SPEC

2 - 2
ENGINE SPECIFICATIONS
Item Standard Limit
Engine
Engine type Liquid-cooled, 4-stroke, DOHC ----
Displacement 749 cm
3

----
Cylinder arrangement Forward-inclined parallel 4-cylinder ----
Bore
´
stroke 72
´
46 mm (2.83
´
1.81 in) ----
Compression ratio 11.4:1 ----
Engine idling speed 1,000 ~ 1,200 r/min ----
Vacuum pressure at engine idling
speed15.8 ~ 18.4 kPa
(120 ~ 140 mm Hg, 4.72 ~ 5.51 in Hg)----
Standard compression pressure
(at sea level) 157 kPa
(1.57 kgf/cm
2

, 22.3 psi) at 500 r/min----
Fuel
Recommended fuel Premium unleaded gasoline ----
Fuel tank capacity
Total (including reserve) 23 L (20.2 Imp qt, 24.3 US qt) ----
Reserve only 4.8 L (4.22 Imp qt, 5.07 US qt) ----
Engine oil
Lubrication system Wet sump ----
Recommended oil
Yamalube 4 (20W40) or SAE 20W40 type
SE motor oil (40˚F/5˚C or above)
(Non-Friction modified)
Yamalube 4 (10W40) or SAE 10W40 type
SE motor oil (60˚F/15˚C or below)
(Non-Friction modified)----
Quantity
Total amount 3.6 L (3.2 Imp qt, 3.8 US qt) ----
Without oil filter cartridge
replacement2.6 L (2.3 Imp qt, 2.7 US qt) ----
With oil filter cartridge replace-
ment2.8 L (2.5 Imp qt, 3.0 US qt) ----
Oil pressure (hot) 40 kPa (0.4 kgf/cm
2

, 5.69 psi) at
1,100 r/min ----
Relief valve opening pressure 480 ~ 560 kPa
(4.8 ~ 5.6 kgf/cm
2

, 68.3 ~ 79.7 psi)----
2

ENGINE SPECIFICATIONS
SPEC

2 - 3
Oil filter
Oil filter type Cartridge (paper) ----
Bypass valve opening pressure 180 ~ 220 kPa
(1.8 ~ 2.2 kgf/cm
2

, 25.6 ~ 31.3 psi)----
Oil pump

Oil pump type Trochoidal ----
Inner rotor-to-outer rotor tip clear-
ance0.09 ~ 0.15 mm (0.004 ~ 0.006 in) ----
Outer rotor-to-oil pump housing
clearance0.03 ~ 0.08 mm (0.001 ~ 0.003 in) ----
Cooling system
Radiator capacity 2.75 L (2.42 Imp qt, 2.91 US qt)
Radiator cap opening pressure 95 ~ 125 kPa
(0.95 ~ 1.25 kgf/cm
2

, 13.1 ~ 17.8 psi)----
Upper radiator core
Width 414 mm (16.3 in) ----
Height 248 mm (9.76 in) ----
Depth 24 mm (0.94 in) ----
Lower radiator core
Width 211 mm (8.31 in) ----
Height 158 mm (6.22 in) ----
Depth 24 mm (0.94 in) ----
Coolant reservoir
Capacity 0.6 L (0.53 Imp qt, 0.63 US qt) ----
Water pump
Water pump type Single-suction centrifugal pump ----
Reduction ratio 88/47
´
28/25 (2.097) ----
Maximum impeller shaft tilt ---- 0.15 mm
(0.006 in)
Starting system type
Electric starter
Spark plugs
Model (manufacturer)
´
quantity R0256R-10 (NGK)
´
4 ----
Spark plug gap 0.7 ~ 0.8 mm (0.028 ~ 0.031 in) ----
Cylinder head
Maximum warpage ---- 0.06 mm
(0.0024 in) Item Standard Limit

ENGINE SPECIFICATIONS
SPEC

2 - 9
Oil ring
Dimensions (B

´

T) 1.5
´
2.5 mm (0.059
´
0.098 in) ----
End gap (installed) 0.1 ~ 0.3 mm (0.004 ~ 0.012 in) ----
Connecting rods
Crankshaft pin-to-big end bearing
clearance0.058 ~ 0.078 mm (0.0023 ~ 0.0031 in) ----
Bearing color code 2 = Blue, 3·4 = Black, 5·6 = Brown,
7·8 = Green, 9 = Yellow----
Crankshaft
Width A 54.4 ~ 56.0 mm (2.142 ~ 2.205 in) ----
Width B 292.8 ~ 294.0 mm (11.53 ~ 11.57 in) ----
Maximum runout C 0.035 mm
(0.0014 in)
Big end side clearance D 0.16 ~ 0.26 mm (0.006 ~ 0.010 in) ----
Crankshaft journal-to-crankshaft
journal bearing clearance0.036 ~ 0.056 mm (0.0014 ~ 0.0022 in) ----
Bearing color code1·2 = Blue, 3·4 = Black, 5·6 = Brown, 7·8 =
Green, 9·10 = Yellow, 11 = Violet----
Clutch
Clutch type Wet, multiple disc ----
Clutch release method Hydraulic inner push ----
Operation Left-hand operation ----
Recommended fluid Brake fluid DOT4 ----
Friction plates #1
Thickness 2.9 ~ 3.1 mm (0.114 ~ 0.122 in) 2.8 mm
(0.110 in)
Plate quantity 8 ----
Friction plate #2
Thickness 3.7 ~ 3.9 mm (0.146 ~ 0.154 in) 3.6 mm
(0.142 in)
Plate quantity 1 ----Item Standard Limit
B
T
D
FCCC
A
B
E

CHASSIS SPECIFICATIONSSPEC
2 - 13
Front suspension
Suspension type Telescopic fork ----
Front fork type Coil spring/oil damper ----
Front fork travel 120 mm (4.72 in) ----
Spring
Free length 240 mm (9.45 in) ----
Spacer length 127 mm (5.00 in) ----
Installed length 226 mm (8.90 in) ----
Spring rate (K1) 9.3 N/mm (0.95 kgf/mm, 53.2 lb/in)
Spring stroke (K1) 0 ~ 120 mm (0 ~ 4.72 in) ----
Optional spring available No ----
Fork oil
Recommended oil Suspension oil “01” or equivalent ----
Quantity (each front fork leg) 460 cm
3 (16.2 Imp oz, 15.6 US oz) ----
Level (from the top of the outer
tube, with the outer tube fully
down, and without the fork
spring)170 mm (6.69 in) ----
Damper adjusting rod locknut dis-
tance31 mm (1.22 in) ----
Spring preload adjusting positions
Minimum 0 [0 mm ( 0 in)] ----
Standard 14 [14 mm (0.55 in)] ----
Maximum 18-1/2 [18.5 mm (0.73 in)] ----
Rebound damping adjusting posi-
tions
Minimum* 17 ----
Standard* 6 ----
Maximum* 1 ----
Compression damping adjusting
positions
Minimum* 20 ----
Standard* 6 ----
Maximum* 1 ----
* from the fully turned-in positionItem Standard Limit

CHASSIS SPECIFICATIONSSPEC
2 - 14
Steering
Steering bearing type Angular ball bearings ----
Rear suspension
Suspension type Swingarm (link suspension) ----
Rear shock absorber assembly
typeCoil spring/gas-oil damper ----
Rear shock absorber assembly
travel63 mm (2.48 in) ----
Spring
Free length 160 mm (6.30 in) ----
Installed length 146 mm (5.75 in) ----
Spring rate (K1) 95 N/mm (9.69 kgf/mm, 543 lb/in) ----
Spring stroke (K1) 0 ~ 63 mm (0 ~ 2.48 in) ----
Optional spring available No ----
Standard spring preload gas/air
pressure 1,200 kPa (12 kgf/cm
2, 171 psi) ----
Spring preload adjusting positions
Minimum 0 [11 mm (0.43 in)] ----
Standard 6 [14 mm (0.55 in)] ----
Maximum 20 [21 mm (0.84 in)] ----
Rebound damping adjusting posi-
tions
Minimum* 50 ----
Standard* 10 ----
Maximum* 0 ----
Compression damping adjusting
positions
Minimum* 25 ----
Standard* 10 ----
Maximum* 0 ----
* from the fully turned-in position
Swingarm
Free play (at the end of the swing-
arm)
Radial ---- 1 mm
(0.04 in)
Axial ---- 1 mm
(0.04 in)
Drive chain
Model (manufacturer) 50ZVM (DAIDO) ----
Link quantity 118 ----
Drive chain slack 40 ~ 50 mm (1.57 ~ 1.97 in) ----
Maximum ten-link section 150.1 mm (5.91 in) ----Item Standard Limit

ELECTRICAL SPECIFICATIONSSPEC
2 - 15
ELECTRICAL SPECIFICATIONS
Item Standard Limit
System voltage12 V ----
Ignition system
Ignition system type C.D.I. ----
Ignition timing 5˚ BTDC at 1,100 r/min ----
Advanced timing 55˚ BTDC at 5,000 r/min ----
Advancer type Throttle position sensor and electrical ----
Pickup coil resistance/color 421 ~ 569 W / Gy–B ----
C.D.I. unit model (manufacturer) F8T19371 (MITSUBISHI) ----
Ignition coils
Model (manufacturer) F6T549 (MITSUBISHI) ----
Minimum ignition spark gap 6 mm (0.24 in) ----
Primary coil resistance 0.16 ~ 0.21 W ----
Secondary coil resistance 5.0 ~ 6.8 kW ----
Throttle position sensor standard
resistance4 ~ 6 kW----
Charging system
System type AC magneto ----
Model (manufacturer) F4T254 (MITSUBISHI) ----
Nominal output 14 V / 22.5 A at 5,000 r/min ----
Stator coil resistance 0.38 ~ 0.46 W at 20˚C (68˚F) ----
Rectifier/regulator
Regulator type Semiconductor-short circuit ----
Model SH650D-11 (SHINDENGEN) ----
No-load regulated voltage 14.1 ~ 14.9 V ----
Capacity 18 A ----
Withstand voltage 200 V ----
Battery
Battery type GT9B-4 ----
Battery voltage/capacity 12V / 8AH ----
Headlight typeHalogen bulb
Indicator light type ´ quantityLED ´ 5
Bulbs (voltage/wattage ´ quantity)
Headlight R. 12 V 60 W ´ 1 / L. 12 V 51 W ´ 1 ----
Auxiliary light 12 V 5 W ´ 2 ----
Tail/brake light 12 V 5 W / 21 W ´ 1 ----
Front turn signal light 12 V 21 W ´ 2 ----
Rear turn signal light 12 V 21 W ´ 2 ----
Meter light 12 V 1.4 W ´ 2 ----