Yamaha YZF-R7 User Manual

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ENG
CRANKCASE
EB412100
DISASSEMBLING THE CRANKCASE
1. Remove:
• crankcase bolts
NOTE:
• Loosen each bolt 1/4 of a turn at a
time, in stages and in a crisscross pat-
tern. After all of the bolts are fully loos-
ened, remove them.
• Loosen the bolts in decreasing numeri-
cal order (refer to the numbers in the
illustration).
• The numbers embossed on the crank-
case indicate the crankcase tightening
sequence.
2. Place the engine upside down.
3. Remove:
• lower crankcase
ACHTUNG:
CAUTION:
Tap on one side of the crankcase with a
soft-face hammer. Tap only on rein-
forced portions of the crankcase, not on
the crankcase mating surfaces. Work
slowly and carefully and make sure that
the crankcase halves separate evenly.
M9 × 105 mm bolts: 1 ~ @
M8 × 60 mm bolt: K, L
M6 × 70 mm bolts: G, I, O, Q
M6 × 64 mm bolts: F, N
M6 × 60 mm bolt: M
M6 × 55 mm bolts: A ~ E
M6 × 50 mm bolt: H
M6 × 45 mm bolts: J, P, R
4. Remove:
• dowel pins
5. Remove:
• crankshaft journal lower bearing
(from the lower crankcase)
NOTE:
Identify the position of each crankshaft
journal lower bearing so that it can be
reinstalled in its original place.

Yamaha YZF-R7 Specifications

General

Bore x Stroke	80.0mm x 68.6mm
Compression Ratio	11.5:1
Fuel Delivery	Fuel injection
Final Drive	Chain
Front Brakes	Dual 298mm hydraulic disc; ABS
Rear Brakes	245mm hydraulic disc; ABS
Front Tire	120/70ZR17
Rear Tire	180/55ZR17
Wheelbase	54.9 in
Seat Height	32.9 in
Fuel Capacity	3.4 gal
Wet Weight	414 lb
Ground Clearance	5.3 in
Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valves
Transmission	6-speed
Front Suspension	41mm KYB inverted fork, adjustable preload, rebound and compression damping; 5.1-in travel
Rear Suspension	Single shock, adjustable preload and rebound damping; 5.1-in travel