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MOTO GUZZI
V750 Ambassador Rider's Handbook
SEIMM
SOCIETA ESERCIZIO
INDUSTRIE
MOTOMECCAMICHE S.p.A
Capitale L. 2.000.000.000 int
eramente ersato
Sede legale: Milano
Dirzione e Stabilimenti: 22054 Manello del Lario (Co)
Telefoni: 71112 e 72512 (8 linee urbane)
Telegrammi: SEIMM MANDOLLOLARIO
Telex: 38095 SEIMM
C.C.I.A Milano n˚ 722044 - Como n˚ 117437
C.C. Postale Como n˚ 18/4226
Posizione Commercio Estero M 986753
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Summary of Contents for MOTO GUZZI V750 Ambassador
- Page 1 MOTO GUZZI V750 Ambassador Rider’s Handbook SEIMM SOCIETA ESERCIZIO INDUSTRIE MOTOMECCAMICHE S.p.A Capitale L. 2.000.000.000 int eramente ersato Sede legale: Milano Dirzione e Stabilimenti: 22054 Manello del Lario (Co) Telefoni: 71112 e 72512 (8 linee urbane) Telegrammi: SEIMM MANDOLLOLARIO Telex: 38095 SEIMM C.C.I.A Milano n˚...
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Page 2: Introduction
Don't forget that all major overhaul jobs and repairs are best carried out by officially appointed Moto Guzzi dealers who have the necessary facilities to quickly and competently repair your Moto Guzzi. -
Page 3: Table Of Contents
MOTO GUZZI V750 Ambassador Rider’s Handbook INDEX INTRODUCTION..........................2 INDEX .............................. 3 RUNNING IN............................ 7 CONTROLS AND ACCESSORIES (See fig. 1)................8 Identification data (See fig. 4) ................... 10 Tool kit (See fig. 5) ......................11 MAIN FEATURES ENGINE ......................12 Engine (See fig. - Page 4 MOTO GUZZI V750 Ambassador Rider’s Handbook Steering lock (See fig. 22/1)................. 20 Steering lock keys ....................21 Dimmer switch and horn button (See fig. 7) ............21 Clutch lever ......................21 Twist grip throttle control..................21 Air lever ........................ 21 Gearshift lever......................
- Page 5 MOTO GUZZI V750 Ambassador Rider’s Handbook Carburetor ......................32 Standard carburetor setting ................. 32 Adjusting the carburetion ..................32 Stripping of carburetor (See fig. 14)..............34 Air filter (See fig. 15) ......................35 Fuel tank (See fig. 16)....................... 36 Fuel taps (See fig. 16/1)....................37 Mufflers ..........................
- Page 6 MOTO GUZZI V750 Ambassador Rider’s Handbook Headlight European version................. 54 Headlamp:......................54 Tail lamp:......................54 Instrument panel: ....................54 Headlight US version ................... 55 Lamps ........................55 Tail lamp....................... 55 Fuses ........................55 Cables ........................55 Wiring diagram European model ..................56 Key to cable colors European model (See fig.
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Page 7: Running In
MOTO GUZZI V750 Ambassador Rider’s Handbook RUNNING IN During the first 1600 kms. (1000 miles), a new or overhauled machine ought to be used with some intelligence as the efficiency, performance, and life of the engine are largely dependent on how it is run in. -
Page 8: Controls And Accessories (See Fig. 1)
MOTO GUZZI V750 Ambassador Rider’s Handbook CONTROLS AND ACCESSORIES (See fig. 1) 1. Front brake lever 2. Air control lever 3. Throttle control grip 4. Starter button 5. Filler cap 6. Gearshift lever 7. Pillion footrest 8. Pillion handgrip 9. Headlight 10. - Page 9 MOTO GUZZI V750 Ambassador Rider’s Handbook Fig. 2 - Left view Fig. 3 - Right view N.B. - The terms << right >> and << left >> in the text are used in the sense they would appear to one sitting in the saddle.
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Page 10: Identification Data (See Fig. 4)
MOTO GUZZI V750 Ambassador Rider’s Handbook Identification data (See fig. 4) Every machine is identified with a serial number which is stamped on the frame down tube and on the left hand crankcase cover. Fig. 4... -
Page 11: Tool Kit (See Fig. 5)
MOTO GUZZI V750 Ambassador Rider’s Handbook Tool kit (See fig. 5) 1. Box wrench, B9-21-22 mm. 2. Open ended wrench, 17-19 mm 3. Open ended wrench, 10-11 mm 4. Tappet adjusting wrench 5. Box wrench, 8-9 mm. 6. Allen key (5 hex) 7. -
Page 12: Main Features Engine
MOTO GUZZI V750 Ambassador Rider’s Handbook MAIN FEATURES ENGINE... -
Page 13: Engine (See Fig. 5/1)
MOTO GUZZI V750 Ambassador Rider’s Handbook Engine (See fig. 5/1) Cycle: 4 strokes Number of cylinders: Cylinder disposition: << V >> 90˚ Bore: 83 mm. (3.26") Stroke: 70 mm. (2.75") Displacement: 757.486 cc. (46.21 cu. in.) Fig. 5/1 Compression ratio:... -
Page 14: Valve Gear
MOTO GUZZI V750 Ambassador Rider’s Handbook Connecting rods: steel construction with AL-TIN alloy thin wall bearings Pistons: in light alloy Valve gear O.H.V., push rod operated via the camshaft in the crankcase and gear driven by the crankshaft. Inlet: opens 24° before TDC closes 58°... -
Page 15: Cooling
MOTO GUZZI V750 Ambassador Rider’s Handbook Cooling By air. Cylinder and cylinder head deeply finned. Ignition By battery with automatic advance distributor. Initial advance: 10°. Automatic advance: 28°. Ignition timing 38° full advance. Contact breaker gap: 0.42-0.48 mm. (.016" .018"). -
Page 16: Transmission
MOTO GUZZI V750 Ambassador Rider’s Handbook Transmission Clutch Twin driven plates, dry type, located on the flywheel. Controlled by lever on left handlebar. Gear box Four speeds, frontal engagement. Constant mesh gears. Cush drive incorporated. Separate case bolted on crankcase, operated by rocker pedal on the right side of the machine. -
Page 17: Frame
MOTO GUZZI V750 Ambassador Rider’s Handbook Frame Duplex cradle, tubular structure. Suspension Telescopic front fork incorporating hydraulic dampers. Rear swinging fork with externally adjustable springs. Wheels 18x3 rims, front and rear. Tires 4.00x18 front and rear, block type (high speed). -
Page 18: Fuel Consumption
MOTO GUZZI V750 Ambassador Rider’s Handbook High gear: 185.276 kms/h (115 m.p.h.) climbing ability: 8% Fuel consumption Measured according to CUNA standards 37 m.p.g. (US). Fuel and oil Capacities • Fuel tank: 22.5 liters (5.84 US gls.) including about 4 liters reserve (about 1 US gl.). -
Page 19: Instruments And Controls
MOTO GUZZI V750 Ambassador Rider’s Handbook INSTRUMENTS AND CONTROLS Instrument panel (See fig. 6) 1. Speedometer. 2. Town driving light (green). 3. Red warning light indicating insufficient flow of current from generator for battery charge. Should go out when the engine has reached a certain number of revolutions. -
Page 20: Ignition Key (See Fig. 6/1)
MOTO GUZZI V750 Ambassador Rider’s Handbook Ignition key (See fig. 6/1) This key has 3 positions: << 0 >> Machine at standstill, key removable, all electrics switched off. << 1 >> Machine standing, key removable, parking lights on. << 2 >> Running position or machine ready to set out. All controls on. For daylight driving no other position necessary. -
Page 21: Steering Lock Keys
MOTO GUZZI V750 Ambassador Rider’s Handbook Steering lock keys Every machine is supplied with a key and a duplicate. Key number should be recorded and reported to your dealer in case of loss. Dimmer switch and horn button (See fig. 7) It is located on the left handlebar. -
Page 22: Rear Brake Pedal
MOTO GUZZI V750 Ambassador Rider’s Handbook Rear brake pedal On left hand side of machine or on right if required. -
Page 23: Riding Instructions
MOTO GUZZI V750 Ambassador Rider’s Handbook RIDING INSTRUCTIONS Engine starting Ensure there is sufficient fuel in the tank and that the crankcase oil is at correct level. Insert the ignition key and switch it on to position 2 (see fig. 6/1), ensuring that the red oil pressure light and the orange neutral indicator light are on. -
Page 24: Stopping The Machine
MOTO GUZZI V750 Ambassador Rider’s Handbook Stopping the machine As soon as the machine stops, close the throttle, shift to neutral, turn the key to the << 0 >> position and take it off (See fig. 6/1). Fig. 9... -
Page 25: Lubrication And General Maintenance Chart (See Fig. 8)
MOTO GUZZI V750 Ambassador Rider’s Handbook LUBRICATION AND GENERAL MAINTENANCE CHART (See fig. 8) Monthly 1. Check electrolyte level in battery (every 15 days in summer) See << Battery >> Periodically 2. Check tire pressure with a gauge. After the first 300 miles 3. - Page 26 MOTO GUZZI V750 Ambassador Rider’s Handbook 22. Clean starter motor commutator using a clean rag slightly moistened with petrol. Fig. 8 Lubrication Chart...
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Page 27: Servicing Instructions
MOTO GUZZI V750 Ambassador Rider’s Handbook SERVICING INSTRUCTIONS Lubrication of engine (See fig. 10) Using the oil filler dipstick (A), check the sump level every 500 kms. (300 miles). Correct oil level is in between the minimum and maximum marks. Make this check on a warm engine with the filler cap screwed on one turn. -
Page 28: Lubrication Of Transmission (See Fig. 9)
MOTO GUZZI V750 Ambassador Rider’s Handbook Lubrication of transmission (See fig. 9) The oil in this box must be checked every 3000 kms. ( 1800 miles). The level is correct when the oil is flush with plug hole (A). Change this oil every 10.000 kms. (6000 miles). -
Page 29: Lubrication Of Rear Wheel Drive (See Fig. 11)
MOTO GUZZI V750 Ambassador Rider’s Handbook Lubrication of rear wheel drive (See fig. 11) The oil level of this box should be checked every 3000 kms. (B800 miles). The oil should just skim hole A. Change the oil every 10.000 kms. (6000 miles) and do this operation on a hot engine. -
Page 30: Lubrication Of Front Fork And Hydraulic Dampers (See Fig. 12)
MOTO GUZZI V750 Ambassador Rider’s Handbook Lubrication of front fork and hydraulic dampers (See fig. 12) Every 20.000 kms. ( 12.000 miles) or earlier, if necessary, change the oil in the fork tubes. Proceed as follows : remove the drain plugs and washer (A) and plugs (B). When the oil has drained, and drain plug A screwed on, introduce fresh oil through B. -
Page 31: Lubrication Of Rear Fork Bearings
MOTO GUZZI V750 Ambassador Rider’s Handbook Lubrication of rear fork bearings At the time of a general overhaul it is well to inspect these bearings to ensure that they are still efficient and, if necessary, pack them with grease. Recommended lubricant: Shell... -
Page 32: Carburation
MOTO GUZZI V750 Ambassador Rider’s Handbook CARBURATION Filter and fuel lines Every 10.000 kms. (6000 miles) or any time when fuel flow is irregular, the fuel lines, taps, 4-way adapter, and the carburetor connections as well as the filters in the taps and in the carburetors should be inspected and cleaned. - Page 33 MOTO GUZZI V750 Ambassador Rider’s Handbook The same operation should be repeated on the opposite carburetor. This will give correct idling speed and prevent popping and spit backs. Engine revolutions: Due to the characteristics of this engine, the idling adjustment should never be made with the engine running at less than 800-900 r.p.m.
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Page 34: Stripping Of Carburetor (See Fig. 14)
MOTO GUZZI V750 Ambassador Rider’s Handbook Stripping of carburetor (See fig. 14) Remove: 1. Mixture chamber cover (1) complete with cable adjusting nut and spring (2), after loosening screws (3). 2. Throttle slide (4) with taper needle (5). 3. Throttle slide stop screw and spring (6). -
Page 35: Air Filter (See Fig. 15)
MOTO GUZZI V750 Ambassador Rider’s Handbook Air filter (See fig. 15) The dry type filter is located in a suitable box secured to the frame. Air to the carburetor is taken directly through a rubber sleeve from the air filter box. When the filter is too dirty, replace it with original equipment. -
Page 36: Fuel Tank (See Fig. 16)
MOTO GUZZI V750 Ambassador Rider’s Handbook Fuel tank (See fig. 16) When stripping the carburetors, the fuel tank, tap filters, tap ducts (A), adaptor filters (B), fuel lines (C), and the four-way adaptor should also be thoroughly cleaned. The tank is best cleaned when removed from the tank, pouring some petrol in it and shaking vigorously. -
Page 37: Fuel Taps (See Fig. 16/1)
MOTO GUZZI V750 Ambassador Rider’s Handbook Fuel taps (See fig. 16/1) Are located under the fuel tank. When turned downwards (A) the taps are open, and vice versa when In the horizontal position (B). It is suggested to ride with only one tap open and to use the other as a reserve to be opened in an emergency. -
Page 38: Mufflers
MOTO GUZZI V750 Ambassador Rider’s Handbook Mufflers Internal cleaning of the mufflers is carried out as follows: fill the mufflers with a solution of boiling water and caustic soda (20%) and allow thorn to stand for about an hour when... -
Page 39: Valve Gearing
MOTO GUZZI V750 Ambassador Rider’s Handbook VALVE GEARING Tappet clearance (See fig. 17) Every 3000 kms. (1800 miles) or any time valve operation is too noisy, check tappet clearance. This adjustment is made on a cold engine with the piston at TDC and both valves closed while the piston is on its compression stroke. -
Page 40: Checking Valve Timing (See Fig. 18)
Checking valve timing (See fig. 18) The engine is timed when the gears are set as shown at A and B in (See fig. 18). A proper check of valve timing is always done better in any officially appointed Moto Guzzi dealer shop. -
Page 41: Ignition
MOTO GUZZI V750 Ambassador Rider’s Handbook IGNITION Distributor (See fig. 19) Every 3000 kms. (about 1800 miles) the cam felt pad should be lubricated with a few drops of oil and the contact points inspected to ensure they are clean. If dirty or greasy, clean them with a petrol soaked cloth. -
Page 42: Checking Of Ignition Advance (Fixed And Automatic) By Means Of A Stroboscope Lamp
MOTO GUZZI V750 Ambassador Rider’s Handbook Checking of ignition advance (fixed and automatic) by means of a stroboscope lamp For checking the ignition advance, the crankshaft driven generator pulley of the V-7 engines has been provided now with 3 additional timing marks. When in coincidence with arrow <<... - Page 43 MOTO GUZZI V750 Ambassador Rider’s Handbook Fig. 19/1 If this check shows that arrow << A >> is in coincidence with pulley marks << C-D-E >> at the above engine speeds, then the fixed and automatic advance are quite normal.
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Page 44: Adjustments
MOTO GUZZI V750 Ambassador Rider’s Handbook ADJUSTMENTS Generator belt (See fig. 20) After long service the belt may slacken and in such that it should be tensioned, Normal belt slack A is 1 cm. per 10 kgs. (.039” / 21 lbs.). The belt is tightened as follow: •... -
Page 45: Clutch Lever (See Fig. 21)
MOTO GUZZI V750 Ambassador Rider’s Handbook Clutch lever (See fig. 21) This lever should be adjusted when the free play at the handlebar is more or less than 4 mm. (1/8"). Slacken thumb screw B and screw in or out adjuster A to obtain the correct distance. -
Page 46: Steering (See Fig. 22)
MOTO GUZZI V750 Ambassador Rider’s Handbook Steering (See fig. 22) Looseness of the steering is remedied as follows: Slacken locknut A and using a suitable wrench, adjust lockring B to the position which will take up excessive play and then re-lock nut A by keeping a hold on lockring B. Do not forget that loose steering may cause wear of the taper bearings. -
Page 47: Steering Lock (See Fig. 22/1)
MOTO GUZZI V750 Ambassador Rider’s Handbook Steering lock (See fig. 22/1) It is located on the L/H side of the steering column (See A) and it is key operated. To lock: turn the handlebar completely to the right end Insert the key turning it forward (toward the front wheal). -
Page 48: Front Brake Lever (See Fig. 23)
MOTO GUZZI V750 Ambassador Rider’s Handbook Front brake lever (See fig. 23) Play at the handlebar lever should be checked periodically. The lever is adjusted when there is about 20-25 mm (3/4 to 1") play at the handlebar before the linings contact the drums. -
Page 49: Rear Brake Pedal (See Fig. 24)
MOTO GUZZI V750 Ambassador Rider’s Handbook Rear brake pedal (See fig. 24) Adjustment of this lover is made by means of the thumb screw fitted on the threaded portion of the brake rod. Excessive play is corrected by screwing in thumb screw A on the rod until there is a play of about 20-25 mm (3/4 to 11") at pedal B before the linings contact the drums. -
Page 50: Rear Suspension Units (See Fig. 25)
MOTO GUZZI V750 Ambassador Rider’s Handbook Rear suspension units (See fig. 25) The rear suspension unit has a 3-position adjustment: I for normal load. II medium load III heavy load. Change over to any required position is made by turning knob B using the special wrench (A) in the tool kit. -
Page 51: Removal Of Wheels
MOTO GUZZI V750 Ambassador Rider’s Handbook REMOVAL OF WHEELS Front wheel (See fig. 26) To remove the front wheel disconnect the front brake cable from the operating lever on hub cover and unscrew cable adjuster B. Undo nut << C >> which secures the wheel spindle to the right fork member and bolt B which secures the left hand member, taking out the wheel spindle. -
Page 52: Rear Wheel ( See Fig. 27)
MOTO GUZZI V750 Ambassador Rider’s Handbook Rear wheel ( See fig. 27) Unscrew nut A which secures the wheel spindle to the rear drive box and the nut which secures the stay to the brake block. Undo the rear brake adjusting thumb screw (B) and bolt C which locks the spindle to the rear fork and withdraw the spindle. -
Page 53: Electrical Equipment
MOTO GUZZI V750 Ambassador Rider’s Handbook ELECTRICAL EQUIPMENT Battery The 12 V battery is centrally mounted and has a capacity of 32 Ah. It is charged directly by the generator. Every 3000 kms. (1800 miles) check the electrolyte level in each cell and If necessary top up with distilled water, using a glass or plastic funnel. -
Page 54: Generator
MOTO GUZZI V750 Ambassador Rider’s Handbook Never add sulphuric acid but top up only with chemically pure distilled water. Generator Every 10.000 kms. (6000 miles), the commutator should be cleaned with a clean cloth slightly moistened in petrol. Copper or carbon dust which may have deposited in between the rotor blades can be removed by compressed air. -
Page 55: Headlight Us Version
MOTO GUZZI V750 Ambassador Rider’s Handbook • neutral indicator: • oil pressure: Headlight US version of sealed beam type. Lamps • Headlight: sealed beam insert, 168 mm. (6.6") 45/40 W • Tail light: two filament, round 20/5 W • Speedometer: round 3 W •... -
Page 56: Wiring Diagram European Model
MOTO GUZZI V750 Ambassador Rider’s Handbook Wiring diagram European model Fig. 28... -
Page 57: Key To Cable Colors European Model (See Fig. 28)
MOTO GUZZI V750 Ambassador Rider’s Handbook Key to cable colors European model (See fig. 28) 1 – Black Battery (+) to starter motor HEADLIGHT 2 – Red Battery to regulator 51 B + MAIN LIGHT BULB 3 – Red Ignition switch 30/30 to battery + TERMINAL BLOCK WITH FUSES 4 –... -
Page 58: Wiring Diagram Usa Model
MOTO GUZZI V750 Ambassador Rider’s Handbook Wiring diagram USA model Fig. 29... -
Page 59: Key To Cable Colors Usa Model (See Fig. 29)
MOTO GUZZI V750 Ambassador Rider’s Handbook Key to cable colors USA model (See fig. 29) 1 – Black Battery V to starter motor solenoid Z HEADLIGHT 2 – Red Regulator U 51 B + to battery V MAIN DIRIVING LIGHTS 3 –...
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