Yamaha R1 2004 ServiceManual
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Page 31
2-3 ENGINE SPECIFICATIONSSPEC ItemStandardLimit Oil filter Oil filter type Bypass valve opening pressure Paper 80 120 kPa (0.8 1.2 kg / cm2, 0.8 1.2 bar, 11.6 17.4 psi) Oil pump Oil pump type Inner-rotor-to-outer-rotor-tip clearance Outer-rotor-to-oil-pump-housing clearance Trochoid 0.01 0.10 mm (0.0004 0.0039 in) 0.09 0.15 mm (0.00035 0.0059 in) 0.18 mm (0.0071 in) 0.22 mm (0.0087 in) Cooling system Radiator capacity Radiator cap opening pressure Radiator core Width Height...
Page 32
2-4 ENGINE SPECIFICATIONSSPEC ItemStandardLimit Camshafts Drive system Camshaft cap inside diameter Camshaft journal diameter Camshaft-journal-to-camshaft- cap clearance Intake camshaft lobe dimensions Measurement A Measurement B Exhaust camshaft lobe dimensions Measurement A Measurement B Max. camshaft runout Chain drive (right) 22.500 22.521 mm (0.8858 0.8867 in) 22.459 22.472 mm (0.8842 0.8847 in) 0.028 0.062 mm (0.0011 0.0024 in) 32.85 32.95 mm (1.293 1.297 in) 25.14 25.24 mm (0.990...
Page 33
2-5 ENGINE SPECIFICATIONSSPEC Head Diameter Face Width Seat Width Margin Thickness ItemStandardLimit Timing chain Model / number of links Tensioning system RH2020 / 122 Automatic Valves, valve seats, valve guides Valve clearance (cold) Intake Exhaust Valve dimensions 0.11 0.20 mm (0.0043 0.0079 in) 0.21 0.25 mm (0.0083 0.0098 in) Valve head diameter A Intake Exhaust Valve face width B Intake Exhaust Valve seat width C Intake Exhaust Valve margin thickness D Intake Exhaust Valve stem...
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2-6 ENGINE SPECIFICATIONSSPEC ItemStandardLimit Valve springs Free length Intake Exhaust Installed length (valve closed) Intake Exhaust Compressed spring force (installed) Intake Exhaust Spring tilt Intake Exhaust Winding direction (top view) Intake Exhaust 39.3 mm (1.55 in) 39.3 mm (1.55 in) 32.7 mm (1.29 in) 32.8 mm (1.29 in) 145.9 167.9 N (14.88 17.12 kg, 32.80 37.74 lb) 164.1 188.9 N (16.73 19.26 kg, 36.89 42.46 lb) Clockwise Clockwise37.3 mm (1.47 in) 37.3 mm (1.47 in) ...
Page 35
2-7 ENGINE SPECIFICATIONSSPEC ItemStandardLimit Piston Piston-to-cylinder clearance Diameter D Height H Piston pin bore (in the piston) Diameter Offset Offset direction Piston pins Outside diameter Piston-pin-to-piston-pin-bore clearance Piston rings Top ring Ring type Dimensions (B T) End gap (installed) Ring side clearance 2nd ring Ring type Dimensions (B T) End gap (installed) Ring side clearance Oil ring Dimensions (B T) End gap (installed) 0.010 0.035 mm (0.0004 0.0014 in) 76.975 76.990...
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2-8 ENGINE SPECIFICATIONSSPEC ItemStandardLimit Connecting rods Crankshaft-pin-to-big-end-bearing clearance Bearing color code 0.034 0.058 mm (0.0013 0.0023 in) 1 = Blue 2 = Black 3 = Brown 4 = Green0.09 mm (0.0035 in) Crankshaft Width A Width B Max. runout C Big end side clearance D Crankshaft-journal-to-crankshaft- journal-bearing clearance Bearing color code 55.20 56.60 mm (2.17 2.23 in) 298.8 300.7 mm (11.76 11.84 in) 0.160 0.262 mm (0.0063 0.0103 in) 0.014 0.037 mm (0.0006...
Page 37
2-9 ENGINE SPECIFICATIONSSPEC ItemStandardLimit Clutch Clutch type Clutch release method Clutch release method operation Operation Clutch cable free play (at the end of the clutch lever) Friction plates Color code Thickness Plate quantity Color code Thickness Plate quantity Color code Thickness Plate quantity Clutch plates Thickness Plate quantity Max. warpage Clutch springs Free length Spring quantity Wet, multiple disc Outer pull, rack and pinion pull Cable operation Left-hand operation 10 15 mm...
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2-10 ENGINE SPECIFICATIONSSPEC ItemStandardLimit Transmission Transmission type Primary reduction system Primary reduction ratio Secondary reduction system Secondary reduction ratio Operation Gear ratios 1st gear 2nd gear 3rd gear 4nd gear 5th gear 6th gear Max. main axle runout Max. drive axle runout Constant mesh, 6-speed Spur gear 65 / 43 (1.512) Chain drive 45 / 17 (2.647) Left-foot operation 38 / 15 (2.533) 33 / 16 (2.063) 37 / 21 (1.762) 35 / 23 (1.522) 30 / 22 (1.364) 33 / 26 (1.269) ...
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2-11 CHASSIS SPECIFICATIONSSPEC CHASSIS SPECIFICATIONS ItemStandardLimit Frame Frame type Caster angle Trail Diamond 24 97 mm (3.82 in) Front wheel Wheel type Rim Size Material Wheel travel Wheel runout Max. radial wheel runout Max. lateral wheel runout Cast wheel 17 M / C MT3.50 Aluminum 120 mm (4.72 in) 1 mm (0.04 in) 0.5 mm (0.02 in) Rear wheel Wheel type Rim Size Material Wheel travel Wheel runout Max. radial wheel runout Max. lateral wheel runout Cast wheel 17 M...
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2-12 CHASSIS SPECIFICATIONSSPEC ItemStandardLimit Front brakes Brake type Operation Recommended fluid Brake lever free play Brake discs Diameter thickness Min. thickness Max. deflection Brake pad lining thickness (inner) Brake pad lining thickness (outer) Master cylinder inside diameter Caliper cylinder inside diameter Dual disc brake Right hand operation DOT 4 2.3 11.5 mm (0.09 0.45 in) 320 4.5 mm (12.60 0.18 in) 4.5 mm (0.18 in) 4.5 mm (0.18 in) 14 mm (0.55 in) 30.1 mm and 27 mm (1.19...