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RT 450 Tech Specs

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ENGINE: four-stroke single cylinder, 10° inclined, valve in head desmodromic distribution, with an 80° angle between each other, commanded by overhead camshaft and rocker arms, intake valve diameter 40 mm, drain valve 36 mm diameter.
Bore and stroke 86 x 75 = 436 cc.
Compression ratio 9.3: 1
Distribution diagram: intake open 70 ° before TDC and closes 82 ° after
the BDC, the exhaust opens 80 ° before BDC and closes 65 ° after TDC. Clearance between valves and rockers for phasing: 0.10 ÷ 0.15 mm at suction and discharge; normal operating clearance when engine is cold
0.10 mm.

Ducati RT 450 ricambi e accessori

IGNITION: a distributor controlled by a gear chain on the right side, automatic advance 28 ° ± 2 °, 0.3 mm contact gap, spark plug 260.

LUBRICATION: Forced with a gear pump and oil in the crankcase saucer, capacity 2.5 kg, oil AGIP F.1 SAE 40/50 in summer, 20/30 in winter, integral change andfilter cleaning every 2000 km.

POWER: fall type, premium gasoline 98/100 octane, 10 liter tank with 1 liter reserve.

CARBURATOR: Dell'Orto VHB 29 AD, the sprayer 265 T, diffuser 29 mm, main jet 130, idle jet 50, gas valve 60, conical needle V7 at the second notch , air filter made of felt.

CLUTCH: Multiple disc in oil bath.

GEARBOX: integral 5-speed with constantly gripped gears, lever control rocker on the right, internal reports: first 2.46, second 1.73, third 1.35, fourth 1.10, fifth 0.97.

TRANSMISSION: primary made of helical gears, ratio 2.11 (Teeth 21/57), secondary trasmission by chain, ratios 2,917 (teeth 12/35) or 4,166 (teeth 35/50)

FRAME: Double open cradle .

SUSPENSION: telescopic hydraulic fork in each stem containing 185 AGIP oil; oscillating rear fork with adjustable dampers at 3 load values.

WHEELS AND TYRES: alloy wheels 2 x 21 front and 3 x 18 rear with front tire 3.00 x 21 and rear tire 4.00 x 18 carved (pressures 1.75)

BRAKES: central drum, diameter 160 mm front and rear.

ELECTRICAL SYSTEM: powered by flywheel alternator 6 Volt 70 Watt with electronic controller and battery 6 Volt 13.5 Ah placed under the saddle.

SIZE AND WEIGHT: maximum length of 2,181 m, wheelbase 1.45 m, maximum width 0.94 m, height 1.20 max, seat height 0.82 m, footrest height 0.20 m , minimum ground clearance 0.22 m , weight in running 128 kg.

CONSUMPTION: 5.7 liters per 100 km, range of about 175 km.

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