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240pro (FM 450) Specification

Some locking torques  Bearings & seals

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ENGINE

 

Bore x stroke

 

69 x 56.5 mm

 

Piston Mahle

 

Ignition Syst.

Dansi 6Volts

Ignition timing : 1.6mm

 

 

3 sparks / 1 round

 

Ducati (BMZ model)

Ignition timing : 2.2mm

 

Motoplat

 

Gear box

Capacity :

500cc W20 or W30

Spark plug

Champion L82 (genuine)

NGK B6HS

Actual gas

SP98 + 2% oil synthèse

Additif Proboost required

Carburator

Dell'Orto

PBHL 25 BS

 

Air screw (standard) :

2 tours 1/4

 

Main jet :

98

 

Mini jet :

44

 

Starter jet :

60

 

Needle :

D33 - 2nd position

 

Puits d'aiguille

268

 

Pointeau

200

 

Throttle chamber :

50

Compression

 

11.7 : 1

Claimed torque

 

2.4 Kgm @ 5000 rpm

Displacement

 

212cc

Clutch

Bath oil system

Multiple discs

Claimed HP

 

18 @ 5500 rpm

 

 

 

 

Chassis

 

 

 

 

Shock absorbers

Hydraulic

Betor 5 way adjust

 

Travel :

175mm

Swinging arm

Steel

 

 

Link :

2 bearings

 

 

2 plastic bushes

 

Tightness :

4 seals

Frame

Steel - Tubular, double cradle

 

Stearing

Bearing

 

Front fork

Hydraulic

Marzocchi

 

Travel :

170 mm

 

Diameter :

35 mm

 

Oil Capacity by leg :

220cc W10 ou W15

 

Fork seals :

2 or 4

Brakes

Brake-shoes system

Diam : 125mm (F&R)

Hubs

Grimeca

Conical ; alu

Front tyre

 

2.75x21

Rear tyre

 

4.00x18

Front wheel

Akront alu

21''

Rear wheel

Akront alu

18''

Final drive

Chain 15.9 large

11x39 T or 12x39 T

 

 

 

 

Size

 

Overall Length

2130mm

 

Wheel base

1330mm

 

Larg

830mm

 

High

1130mm

 

Ground clearance

320mm

 

Weight

88Kg

 

Price in 1983

(in France)

16195 F

2469 euros

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Some locking torques

Main gear sprocket

Nut 14mm : 70/90Nm

Ignition rotor

Nut 15 mm : 65/70Nm

Head cylinder

4 screw 9mm : 30/35Nm

Engine (front)

Spindle 10mm : 50/60Nm

Engine/Swingin arm spindle

4 screw 8mm : 25/30Nm

Gear box covers

screw 6mm : 9/11Nm

Cluth

Nut 16mm : 80/100Nm

Shock aborbers

4 screw 8mm : 19/22Nm

Front wheel

Spindle 15mm : 39/44

Rear wheel

Spindle 17mm : 98/117NM

 

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Bearings & Seals

Chassis

 

 

 

Bearing

Seal

Stearing

Timken / NTN/ = 32005X

39,69(in) x 3,53(tore)

Front wheel

6202 2 RS (15x35x11)

25x35x7

Rear wheel

6203 2 RS (40x17x12)

25x40x7

Swinging arm

20x26x16

20x26x4

Front Fork (nuts)

 

24(in) x 3(tore)

Front fork

 

35x45x9.5x10.5

Engine

 

 

 

Roulement

Joint

Exhaust / cylinder

 

Tor: 34,52(in)x3,53(tore)

Con rod (cluth side)

20x52x15 - 6304 C3

27x47x5.5 -BASL - VITON

Con rod (Ignition side)

25x62x17 - 6305 C3

22x32x7 - BASL - VITON

Main gear box shaft

(Cluth side)

6204

 

Main gear box shaft

(Ignition side)

Nadella DB 17x23x12 P

 

Second gear box shaft

(Cluth side)

6202 (15x35x11)

 

Second gear box shaft

(Ignition side)

Nadella DB 25x32x20 P

20x30x7 BASL

 

 

 

Gear box lever

 

14x22x7 BASL

 

 

 

 

 

 

 

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