Yamaha XS750-2D Supplemental Service Manual

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XS750
Note: This section only covers those points which are
different from the XS
If the subject does not appear in this section,
please refer to the Contents page.

SPECIFICATIONS (XS750-2D Only)

A. GENERAL SPECIFICATIONS
Dimensions:
Overall length
Overall width
Overall height
Seat height
Wheelbase
Minimum ground clearance
Caster (steering head angle)
Trail
Weight:
Net
Engine:
Type
Bore
x
stroke
x
cylinders
Displacement
Compression ratio
Lubrication:
Lubrication system
Delivery pump type
Carburetion:
Manufacture
I.D.
Type,
No., Quantity
Rated venturi size
S U P P L E M E N T
-
2D
750 D.
2,160 mm (85.0 in)
895 mm (35.2 in)
mm
1,150
(45.3 in)
mm
820
(32.3 in)
mm
1,470
(57.9 in)
140
mm
(5.5 in)
27°
110 mm (4.3 in)
232 kg (512 Ib)
D.O.H.C.,
air-cooled, triple
68 mm x 68.6 mm
x 3
747 cc
8.5
: 1
Pressure lubricated, wet sump
T r o c o i d pump
Mikuni
BS34, Constant velocity, 1J701,3pcs
34 mm

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Summary of Contents for Yamaha XS750-2D

  • Page 1 Note: This section only covers those points which are 750 D. different from the XS If the subject does not appear in this section, please refer to the Contents page. SPECIFICATIONS (XS750-2D Only) A. GENERAL SPECIFICATIONS Dimensions: Overall length 2,160 mm (85.0 in) Overall width 895 mm (35.2 in)
  • Page 2 Air filter: Dry foam rubber Type Ignition: Battery/coil Type NGK BP-7ES or CHAMPION N-7Y Spark plug Charging: Three-phase, regulated alternator Type Manufacture, I.D. No. Hitachi LD120-02 Maximum output 14.5 V/18A 12V 14A-Hr. Battery type 134 x 166 x 89 mm Battery dimensions National RD1143.
  • Page 3: Maintenance Specifications

    MAINTENANCE SPECIFICATIONS Engine Engine/Transmission o i l capacity 3,800 cc (4.0 US qt) Total amount 3,500 cc (3.7 q t ) Oil and filter change 3,000 cc (3.2 US q t ) Oil change 2. Carburetion Manufacturer Mikuni Float level 26.5 ±...
  • Page 4 Specifications in parentheses ( ) are for (XS750D, XS750-2D) Valve Timing 750-2D. Specifications without parentheses XS750D. are for Close OVER 77" I n t a k e 60° Exhaust BBDC (64° (40°)
  • Page 5 Page numbers shown in brackets correspond to page numbers of the XS750D Service Manual. (PAGE 19 Maintenance Intervals For New Machines (XS750D, XS750-2D) Initial 1,600km (1,000miles): Initial 400Km (250miles): Air filter cleaning Cam chain adjustment Brake system inspection Spark plug inspection...
  • Page 6 Lubrication Intervals For New Machines (XS750D, XS750-2D) Initial 3,200km (2,000miles): Initial 400km (250miles): Replace engine/transmission oil Replace engine/transmission oil (2,400km or 1 ,500miles) Replace oil filter Lubricate control/meter cables Replace middle/final(rear)gear Lubricate throttle grip/housing Lubricate throttle griplhousing Check brake fluid...
  • Page 7 Torque Specifications Engine: 2.0 m-kg (14 f t -l b ) Spark plug 0.9 m-kg ( 7 ft-lb) Cam cap nut 3.8 m-kg (27 ft-lb) Rod cap (22 ft-lb) Starter clutch bolt 3.0 m-kg Shift cam locating bolt 1.7 m-kg (12 f t -l b ) 4.3 m-kg (31 f t -l b )
  • Page 8 Middle gear case: 375cc(12.7 U.S. f l o z ) Final case: 300cc(10.0 U.S. f l o z ) gear (PAGE 26) Cam Chain Adjustment (XS750-2D) The cam chain tensioner stopper bolt i s the right (inboard) side of the located 1. Adjustor Locknut boss.
  • Page 9 NOTE: (PAGE 86~90) See that the punched mark on the 5-3. BRAKES (XS750D, XS750-2D) brake rod is not above the top The shim in the caliper is no longer used, surface of the adjustor locknut in and a set of two pad springs has been...
  • Page 10 (PAGE 69) Clutch and Primary Drive (XS750D, XS750-2D) 1 . Install clutch spacer, plate washer, and clutch boss. Install the spring washer, lock washer and locknut. Use the clutch holding tool and special 32mm deep socket (special t o o l ) t o tighten the clutch nut.
  • Page 11 T.D.C. on the power stroke in the left cylinder (No. 1 (PAGE 82) cylinder). 5-2. REAR WHEEL (XS750-2D Only) "T" 4. Align the timing plate tip with the mark on the governor for the left cylin- Removal der (No.
  • Page 12 While supporting the brake caliper, pull 5. Raise the seat and unscrew the rear fen- out the rear axle. der installation bolts until their threaded portion is completely out. Reinsert those bolts as stoppers while holding the rear fender. 9. Hold up the brake caliper assembly and place it on the hook o f the rear arm.
  • Page 13 2. Final gear case splines Rear wheel hub splines 3. Check the battery terminals and couplers for looseness. 4. Connect t w o Yamaha pocket testers to 6-2. CHARGING SYSTEM (XS750-2D Only) the regulator coupler as illustrated. Charging Circuit Diagram...
  • Page 14 Checking Silicon Rectifier 1. Check silicon rectifier specified using Yamaha pocket tester. Turn the main switch on. Make sure that V 2 i s less than 1.8V. NOTE: Do not turn on lights or signals. Make sure that V2 gradually increases...
  • Page 15 0: Continuity Discontinuity (=-) Even of one of elements is broken, replace assembly. CAUTION: The silicon rectifier can be damaged if subject to overcharging. Special care should be taken to avoid a short circuit and/or incorrect connection of the posi- tive and negative leads at the battery.
  • Page 16 XS750-2D Circuit Diagram...

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