| GILERA GFR (250) '93 | ||
Alessandro Gramigni's machine at Shah-Alam |
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| ENGINE TYPE |
two-stroke, water cooled twin cylinder (75º V formation) crankcase reed valve single crankshaft (turn in obverse direction) with balancer-shaft |
BORE × STROKE | 56 × 50.7mm | DISPLACEMENT | 249cm³ |
| COMPRESSION RATIO | 16:1 | |
| EXHAUST DEVICE | varying ex-port height by electronically controlled valve | |
| MAX. POWER | over 86.5HP at 12,750rpm | |
| CARBURETTOR |
2 Dell'Orto VHSB flat valve carburettors (bore: ø40mm) with fresh-air intake duct: 1 |
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| IGNITION | CDI digital, made by GILERA | |
| GEARBOX | extractable 6 speeds | |
| CLUTCH | dry multiple discs | |
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| FRAME | twin spar aluminium | |
| SUSPENSIONS | FRONT | upside-down telescopic fork (KAYABA) adjustable spring pre-load, compression and rebound damping |
| REAR | swing-arm and mono-shock (KAYABA) with linkage adjustable spring pre-load, compression and rebound damping |
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| BRAKES | FRONT |
disc: carbon-composite (ø273mm, BREMBO) and/or cast-iron (ø290mm, BREMBO) caliper: Brembo 4 pistons |
| REAR | disc: cast=iron (ø190mm) caliper: Brembo 2 pistons |
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| WHEELS / TIRES | FRONT | 3.50-17 (Marchesini, magnesium alloy) / MICHELIN 12/60-17 |
| REAR | 5.50-17 (Marchesini, magnesium alloy) / MICHELIN 15/61-17 | |
| DIMENSIONS |
weight: 95kg wheel base: 1320mm caster / trail: 21.5º / 80mm | |
| '92 MODEL | MAIN MENU |
| MACHINE LIST |