Small Twins Technical Data
Complete so far, but likely to be extended.
 V35 Cylinder


Model V 35 II V 50 II V 35 Imola V 50 Monza V 35 C V 50 C V 65 V 65 SP
Engine
Transverse two cylinder "V" - 90 ° four-stroke OHV with pushrods
Bore 66 mm 74 mm 66 mm 74 mm 66 mm 74 mm 80 mm 80 mm
Stroke 50.6 mm 57 mm 50.6 mm 57 mm 50.6 mm 57 mm 64 mm 64 mm
Displacement 346.22 cc 490.29 cc 346.22 cc 490.29 cc 346.22 cc 490.29 cc 643.4 cc 643.4 cc
Compression ratio 10.5:1 10.4:1 10.5:1 10.4:1 10.5:1 10.4:1 10.0:1 10.0:1
Max. power output 35 hp at 8100 rpm 47 hp at 7500 rpm 36 hp at 8200 rpm 48 hp at 7600 rpm 35 hp at 8100 rpm 47 hp at 7500 rpm 52 hp at 7050 rpm 52 hp at 7050 rpm
Intake valves
Open 18° before TDC, close 50°after BDC
Outlet valves
Open 53° before TDC, close 15°after BDC
Valve clearance for timing check 1 mm 1 mm 1 mm 1 mm 1 mm 1 mm 1 mm 1 mm
Intake valve clearance at TDC 0.15 mm 0.15 mm 0.15 mm 0.15 mm 0.15 mm 0.15 mm 0.15 mm 0.15 mm
Outlet valve clearance at TDC 0.20 mm 0.20 mm 0.20 mm 0.20 mm 0.20 mm 0.20 mm 0.20 mm 0.20 mm
Lubrication
Wet sump pressure-feed lubrication with Eaton-style troichoidal oil pump
Oil pressure control
On instrument console
Oil filter
Filter cartridge and screen
Ignition
Dual-point distributor with centrifugal advance mechanism
Ignition advance static 10° 10° 10° 10° 10° 10° 7° 7°
Ignition advance dynamic 25°+-2° 25°+-2° 25°+-2° 25°+-2° 25°+-2° 25°+-2° 26° 26°
Ignition advance overall static+dynamic 35°+-2° 35°+-2° 35°+-2° 35°+-2° 35°+-2° 35°+-2° 33°+-3° 33°+-3°
Gap between breakers 0.35-0.45 mm 0.35-0.45 mm 0.35-0.45 mm 0.35-0.45 mm 0.35-0.45 mm 0.35-0.45 mm 0.35-0.45 mm 0.35-0.45 mm
Spark plugs
2 with long tread 14 mm dia. * 1.25
Marelli F8LCR
Bosch W5DC
Lodge 3HLNY
electrode gap 0.6 mm
2 with long tread 14 mm dia. * 1.25
Marelli F8LCR
Lodge 2HL
electrode gap 0.6 mm
Ignition coils
2
2
2
2
2
2
2
2
Fuel supply:
Carburetor 2 Dell'Orto VHB26FD (right) and FS (left) 2 Dell'Orto PHBH28BD (right) and BS (left) 2 Dell'Orto VHB26FD (right) and FS (left) 2 Dell'Orto PHBH28BD (right) and BS (left) 2 Dell'Orto VHB26FD (right) and FS (left) 2 Dell'Orto PHBH28BD (right) and BS (left) 2 Dell'Orto VHB30BD (right) and BS (left) 2 Dell'Orto PHBH30BD (right) and BS (left)
Cooling system
Air-cooled
Exhaust system
2 exhaust pipes and 2 silencers with crossover
Generator/Alternator
Mounted on front of the crankshaft (14 V - 20 A)
Starting
Electric starter (Kickstarter as option)
Transmission
Transmission assembly separated from engine, independent lubrication
Clutch
Single disk dry clutch
Primary transmission Ratio: (Z=13/24)1:1.846 Ratio: (Z=14/23)1:1.642 Ratio: (Z=13/24)1:1.846 Ratio: (Z=15/22)1:1.666 Ratio: (Z=13/24)1:1.846 Ratio: (Z=14/23)1:1.642 Ratio: (Z=15/22)1:1.466 Ratio: (Z=15/22)1:1.446
Gearbox
5 gears,left side shifting
Transmission ratio gear box:
1.gear 1:2.272=(Z=11/30) 1:2.272=(Z=11/30) 1:2.272=(Z=11/30) 1:2.272=(Z=11/30) 1:2.272=(Z=11/30) 1:2.272=(Z=11/30) 1:2.3636=(Z=11/26) 1:2.3636=(Z=11/26)
2.gear 1:1.733=(Z=15/26) 1:1.733=(Z=15/26) 1:1.733=(Z=15/26) 1:1.733=(Z=15/26) 1:1.733=(Z=15/26) 1:1.733=(Z=15/26) 1:1.6428=(Z=14/23) 1:1.6428=(Z=14/23)
3.gear 1:1.277=(Z=18/23) 1:1.277=(Z=18/23) 1:1.277=(Z=18/23) 1:1.277=(Z=18/23) 1:1.277=(Z=18/23) 1:1.277=(Z=18/23) 1:1.2777=(Z=18/23) 1:1.2777=(Z=18/23)
4.gear 1:1.045=(Z=22/23) 1:1.045=(Z=22/23) 1:1.045=(Z=22/23) 1:1.045=(Z=22/23) 1:1.045=(Z=22/23) 1:1.045=(Z=22/23) 1:1.0555=(Z=18/19) 1:1.0555=(Z=18/19)
5.gear 1:0.909=(Z=22/20) 1:0.909=(Z=22/20) 1:0.909=(Z=22/20) 1:0.909=(Z=22/20) 1:0.909=(Z=22/20) 1:0.909=(Z=22/20) 1:0.9000=(Z=20/18) 1:0.9000=(Z=20/18)
Secondary transmission
Driveshaft with double U-joint
Secondary transmission ratio 1:3.875=(Z=8/31) 1:3.875=(Z=8/31) 1:3.875=(Z=8/31) 1:3.875=(Z=8/31) 1:3.875=(Z=8/31) 1:3.875=(Z=8/31) 1:3.875=(Z=8/31) 1:3.875=(Z=8/31)
Transmission ratio engine/wheel:
1.gear 1:19.506 1:17.362 1:19.506 1:15.499 1:19.506 1:17.369 1:13.433 1:13.433
2.gear 1:12.396 1:11.034 1:12.396 1:9.850 1:12.396 1:11.034 1:9.336 1:9.336
3.gear 1:9.134 1:8.134 1:9.134 1:7.261 1:9.134 1:8.134 1:7.262 1:7.262
4.gear 1:7.475 1:6.655 1:7.475 1:5.941 1:7.475 1:6.655 1:5.999 1:5.999
5.gear 1:6.502 1:5.787 1:6.502 1:5.166 1:6.502 1:5.787 1:5.115 1:5.115
Frame
Straight tubular duplex steel frame with removable lower rails (Tonti-frame)
Front suspension Telescopic fork with hydraulic damper cartridges Telescopic fork with hydropneumatic shock absorber Telescopic fork with hydraulic damper cartridges
Telescopic fork with hydropneumatic shock absorber
Rear suspension Swing arm with dual adjustable hydraulic shocks Swing arm with dual adjustable hydropneumatic shocks Swing arm with dual adjustable hydraulic shocks
Swing arm with dual adjustable hydropneumatic shocks
Wheels
Light metal cast wheels
Front WM 1/1.85*18 WM 1/1.85*18 WM 1/1.85*18 WM 1/1.85*18 WM 3/2.15*18 WM 3/2.15*18 WM 2/1.85*18 WM 2/1.85*18
Rear WM 3/2.15*18 WM 3/2.15*18 WM 3/2.15*18 WM 3/2.15*18 WM 3/2.15*16 WM 3/2.15*16 WM 3/2.15*16 WM 3/2.15*16
Front tyres 3.00-18 R 3.00 S 18 or
90/90 S 18		 3.25 S 18 or
90/90 S 18		 3.25 S 18 or
90/90 S 18		 100/90 18 100/90 18 100/90 H 18 100/90 H 18
Rear tyres 3.25-18 R 3.50 S 18 or
100/90 S 18		 3.50 S 18 or
100/90 S 18		 3.50 S 18 or
100/90 S 18		 130/90 16 or
5.10 V 16		 130/90 16 or
5.10 V 16		 110/90 H 18 or
5.10 V 16		 110/90 H 18 or
5.10 V 16
Brakes
Combined brake system, left front disk and rear actuated by break pedal
Front
Hydraulic disk break, 260mm, right side actuated by lever. Diameter of break caliper: 32 mm. Diameter of master cylinder: 12.7 mm
Rear
Hydraulic disk break, 235 mm, Diameter of break caliper: 32 mm. Diameter of master cylinder: 15.875 mm
Measurements / Weights:
Wheelbase (loaded) 1420 mm 1420 mm 1420 mm 1420 mm 1460 mm 1460 mm 1440 mm 1440 mm
Max. length 2090 mm 2120 mm 2090 mm 2120 mm 2200 mm 2200 mm 2120 mm 2120 mm
Max. beam 750 mm 750 mm 700 mm 700 mm 960 mm 960 mm 730 mm 730 mm
Max. height 1060 mm 1100 mm 1150 mm 1150 mm 1175 mm 1175 mm 1100 mm 1255 mm
Dry weight 154 kg 158 kg 158 kg 160 kg 165 kg 165 kg 165 kg 170 kg
Performance data:
Max. speed (with driver only) 150 km/h 170 km/h 160 km/h 175 km/h 150 km/h 165 km/h 185 km/h 185 km/h
Fuel consumption per 100 km 3.5 litre 4.0 litre 3.7 litre 4.2 litre 4.3 litre 5.0 litre 5.5 litre 5.5 litre
Fluid quantities:
Fuel tank
Capacity: 16 litres
2 litres spare
97 ROZ
Capacity: 15 litres
2 litres spare
97 ROZ
Capacity: 16 litres
2 litres spare
97 ROZ
Oil sump
2 litres SAE 10W/50 (Agip Sint 2000 recommended by Guzzi)
Gear box
0.9 litres SAE 80W/90 (Agip Rotra MP recommended by Guzzi)
0.9 litres SAE 85W/140 (Agip Rotra MP recommended by Guzzi)
Rear drive
0.16 litres SAE 85/W140 (Agip Rotra MP) plus 0.01 litres Molykote type "A" or Agip Rocol ASO/R
(I use 0.170 litres Castrol synthetic ATF 80/W140 without any additives)
Front fork (per side) 0.07 litres ATF (Agip F.1 ATF Dexron) 0.06 litres ATF (Agip F.1 ATF Dexron) 0.07 litres ATF (Agip F.1 ATF Dexron) 0.06 litres ATF (Agip F.1 ATF Dexron)
0.09 litres ATF (Agip F.1 ATF Dexron)
Break fluid, front and rear
Any DOT 4 brake fluid will do. Guzzi recommends Agip F.1 Brake Fluid SAE J 1703 B


Replacement/OEM items for Guzzi parts
Part name
Guzzi part number
Replacement
Small twin wheel bearing, front both, rear left
92 20 42 17
SKF 6203-2RS1
Small twin wheel bearing, rear right
92 20 42 18
SKF 6303-2RS1
Small twin cam seal ring
90 40 15 30
CFW BAUD1 15-30-7 CORTECO A2
Big twin (Tonti frame) front wheel bearing
92 20 42 21
SKF 6004-2RS1
Big twin (Tonti frame) rear wheel bearing
92 20 42 20
SKF 6204-2RS1


Back
Home

last update: 12/04/2003 by
Torsten Radtke


Thanks to Michael Moore, Rob van Maris and Guzziology for helping me with translations.

Impressum