Yamaha YZF-R1 1998 Service Manual

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ENG
CRANKCASE
EB412743
ASSEMBLING THE CRANKCASE
1.Lubricate:
• crankshaft journal bearings
(with the recommended lubricant)
Recommended lubricant
Engine oil
2.Apply:
• sealant
(onto the crankcase mating surfaces)
NOTE:
Do not allow any sealant to come into
contact with the oil gallery or crankshaft
journal bearings. Do not apply sealant to
within 2 ~ 3 mm of the crankshaft jour-
nal bearings.
3.Install:
• dowel pin
Yamaha bond No. 1215
90890-85505
4.Install:
• crankshaft journal lower bearings
(into the lower crankcase)
NOTE:
• Align the projections a on the crank-
shaft journal lower bearings with the
notches b in the lower crankcase.
• Install each crankshaft journal lower
bearing in its original place.
5.Set the shift drum assembly and trans-
mission gears in the neutral position.

Yamaha YZF-R1 1998 Specifications

General

Bore x Stroke	74.0 mm x 58.0 mm
Compression Ratio	11.8:1
Maximum Power	150 hp @ 10, 000 rpm
Transmission	6-speed
Final Drive	Chain
Frame	Aluminum Deltabox
Front Brakes	Dual 298mm discs, 4-piston calipers
Front Tire	120/70 ZR17
Rear Tire	190/50 ZR17
Ignition	Digital
Rear Suspension	adjustable preload, compression and rebound damping
Rear Brakes	Single disc
Wheelbase	1, 395 mm
Seat Height	815 mm
Fuel Capacity	18 liters
Dry Weight	177 kg
Length	2, 065 mm (81.3 inches)
Width	720 mm (28.3 in)
Height	1, 105 mm
Ground Clearance	140 mm
Front Suspension	Telescopic fork