750XN (MaximX)
Oil Pump, Clutch and Water Pump
OIL PUMP AND OIL PAN
1 Chain cover
2 Oil pump sprocket
3 Oil pump drive sprocket
4 Oil pump cover
5 Inner rotor
6 Spring
7 Relief valve
8 Shaft
9 Dowel pin
10 Outer rotor
11 Dowel pin
12 O-ring
Pistons, Starter, Generator and Pickup Coil
PISTON AND CAM CHAIN GUIDE
Mark each piston so it can be reinstalled in the appropriate cylinder.
1. Remove:
• Piston pin clips 1
• Piston pins 2
Camshafts, Chain and Sprockets
CAMSHAFT, CAM CHAIN, AND CAM SPROCKET
Camshaft
1. Measure:
• Large cam lobe length 1
• Small cam lobe length 2
Cylinder Head and Camshaft Case
1. Remove
• Lifters 1
• Valve pads 2
NOTE:
Identify each lifter and pad position very carefully so that it can be reinstalled in its original place.
Radiator Pipes, Carburettor Joints and Oil Delivery Pipe
RADIATOR PIPES, CARBURETOR JOINT, AND OIL DELIVERY PIPE
1. Install:
• Union bolt with copper washer 1
• Cylinder head side cover 2
Oil Delivery Pipe: 21 Nm (2.1 m-kg, 15 ft-lb)
Transmission
TRANSMISSION
1. Inspect:
• Shift fork cam follower 1
• Shift fork pawl 2
• Guide bar 3
Scoring/Bends/Wear-> Replace.
Middle Gear Removal and Disassembly
REMOVAL
Middle Drive Gear
NOTE:
Middle drive gear and its shims can be removed without separating the engine.
1. Remove the clutch cover. Refer to "ENGINE DISASSEMBLY."
Crankshaft and Connecting Rods
CRANKSHAFT AND CONNECTING ROD
Crankshaft Runout
1. Place both ends of crankshaft on V-blocks.
2. Rotate Crankshaft
3. Measure the crankshaft runout at main journal bearings. Use a Dial Gauge (90890-03097).