If you need to keep
your bug on the road today below you will find the detailed
technical specification and service data for the Bond Bug.
If anyone has the detailed spec for the 750 or the 850 engine
please email it to me and I will update the site with the
supplied information.
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Capacity 700 c.c.
Bore/Stroke 2.38 in. (60.45 mm) / 2.40 in. (60.96 mm)
Max BHP 29 at 5000 r.p.m. (700ES:31 at 5000 r.p.m.)
Max torque 34.5 lbs ft at 3000 r.p.m. (700ES: 38 lbs ft at
3000 r.p.m.)
Compression ratio 7.35:1 (700ES: 8.4:1)
Engine Lubrication
Submerged eccentric bi-rotor type oil pump - full flow
filter
Cooling System
Pump assisted circulation and four-bladed fan driven by
belt from engine pulley
Fuel System
Down draught carburetor, mechanical fuel pump, oil wetted
air cleaner
Petrol tank capacity 5 Imp. gallons with no reserve. (23
litres)
Ignition
12 volt battery and coil - negative earth
Clutch
Borg & Beck dry single plate type 6.1/4" dia
Transmission
Four forward speeds and reverse - synchromesh on top, second
and third
Gearbox ratios: Top 1.0:1
3rd 1.45:1
2nd 2.46:1
1st 4.27:1
Reverse 5.49:1
Final Drive 3.55:1
Tyres
Make - Goodyear
Type - Decathlon bias belted
Size - 155 - 10 in
Brakes
Hydraulically operated, internal expanding brakes
to all wheels
Front 7"x1.1/2" (177.8 mmx38.1 mm)
Rear 7"x1.1/4" (177.8 mmx31.7 mm)
Steering
Burman Douglas worm and peg type
Suspension
Front: Leading arm suspension controlled by heavy duty
coil spring and hydraulic suspension unit
Rear: Low roll-centre, 5-link rear suspension with wide
base coil spring!damper units and stabiliser bar
Chassis
Box section, pressed steel with tubular braced cross members
Electrical Equipment
12 volt system, built-in rectangular headlamps with sealed
beam units, foot controlled dipping switch. Combined
stop/tail and rear flasher light units. Ignition key
starting. Self-parking windscreen wiper
Bodywork
Coach built, all glass fibre two seater, embodying the
latest unit construction technique for increased strength
and
rigidity. Completely corrosion-free and highly resistant
to incidental damage.
Lift-up canopy with safety glass windscreen
General Dimensions
Wheelbase 77" (19558 mm)
Track 48.46" (1230.7 mm)
Overall length 110" (2794 mm)
Overall width 55" (1397 mm)
Overall height -
(un laden, canopy closed) 50" (1270 mm)
Overall height - (canopy open) 83" (21082 mm)
Ground clearance - (laden) 5" (127
mm)
Kerb weight 7.75cwt (700cc)
Maintenance
Fuel Tank 5 Imp. gallons (23 litres)
Cooling System 5 pints (including heater)
Engine Sump 5.5 pints (2.5 litres) SAE 20W/50
Change Oil and filter every 3,000 miles.
Gearbox 1 pint SAE 80EP
Change Oil every 6,000 miles.
Final Drive 2.25 pints SAE 90/140
Change Oil every 15,000 miles.
Grease 5 points every 3,000 miles.
Tyre Pressure Front : 24 psi (normal driving) or 27 psi
(fast driving)
Rear : 24 psi (normal driving) or 27 psi (fast driving)
Firing Order 1, 3, 4, 2
Spark Plug Type : Autolite AG 42
Gap : 0.025 (0.64mm)
Check every 5,000 miles.
Points Gap : 0:015 (0.38mm)
Adjust every 3,000 miles
Ignition Timing 10° BTDC
Tappet Clearance 0.006 (0.152mm)
Tappet adjustment No. 1 valve with No. 8 valve fully open.
No. 2 valve with No. 7 valve fully open.
No. 3 valve with No. 6 valve fully open.
No. 4 valve with No. 5 valve fully open.
No. 5 valve with No. 4 valve fully open.
No. 6 valve with No. 3 valve fully open.
No. 7 valve with No. 2 valve fully open.
No. 8 valve with No. 1 valve fully open.
Fan Belt Slack - 1/2 inch (13mm)
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