Lubrication System Item Engine oil capacity At the time of oil exchange Total capacity At the time of oil filter exchange Recommended engine oil

Oil pressure at oil pressure indicator switch Oil pump rotor Tip clearance Body clearance Side clearance

Standard 2.25L 2.8L 2.5L - Honda genuine Ultra U (for 4 cycle bicycles) SAE 10W-30 or Honda genuine Ultra GP (for 4 cycle bicycles) SAE 10W-30 and 20W-50 - API classification motor oil of SE or SF class 490-588 kPa (5.0-6.0 kgf/cm²) at 5000 rpm at 80°C 0.15 0.15-0.22 0.02-0.07

Unit: mm Service Limit -

0.2 0.35 0.1

Fuel System Item Carburetor

Standard Type VDD0 Setting mark VDD0B в–ЎA Venturi diameter 29.2 mm suitable Pilot screw opening Standard 2 3/8 revolution resetting After the idle drop 3/4 revolution resetting Float level 7.0 mm Idle speed 1100 ± 100 rpm Main jet Front #112, rear #110 Slow jet #35 Throttle grip free play 2-6 mm Prayer impression differential pressure of carburetor alignment non- pressure 2666 Pa (20 mmHg) within

Unit: mm Service Limit -

Cooling System Item Coolant capacity

When disassembling When exchanging Reserve tank Coolant standard concentration Radiator cap relief pressure Thermostat Begin to open Fully open Valve lift

Specifications 1.72L 1.30L 0.6L 30% 108-137 kPa (1.1-1.4 kgf/cm²) 80-84°C 95°C 8 mm minimum

Clutch System Item Clutch Clutch lever free play Clutch spring free length Clutch disk thickness A B Clutch outer inside diameter Clutch outer guide Inside diameter Major diameter Distortion of clutch plate

Unit: mm Standard Service Limit 10-20 43.2 42 2.62-2.78 2.3 2.62-2.78 2.3 32.000-32.025 32.06 21.991-22.016 22.08 31.959-31.975 31.92 0.3

Cylinder Head/Valves Item Cylinder compression Differential pressure between compression pressure cylinder Valve clearance (cold) IN EX Distortion of cylinder head surface Camshaft Cam lobe height IN EX Journal outside diameter Journal section oil clearance Bending Valve, valve guide Valve stem major diameter IN EX Valve guide inside diameter IN EX Opening of stem and guide IN EX Per valve seed width IN/EX Valve spring Free length IN EX Rocker arm, Rocker arm inside diameter rocker arm shaft Rocker arm shaft outside diameter

Standard 1373 kPa (14.0 kgf/cm²) at 400 rpm 196 kPa (2.0 kgf/cm²) maximum 0.15 ± 0.02 0.20 ± 0.02 37.188-37.348 37.605-37.765 21.959-21.980 0.050-0.111 (center) 0.100-0.161 (side) 5.475-5.490 5.455-5.470 5.500-5.512 5.500-5.512 0.010-0.037 0.030-0.060 0.9-1.1 46 42.83 12.000-12.018 11.966-11.984

Unit: mm Service Limit 0.01 37.16 37.58 21.9 0.13 0.03 5.45 5.44 5.56 5.55 0.07 0.09 1.5 44.5 41.25 12.05 11.83

Cylinder/Piston Item Cylinder Inside diameter Taper Circularity Surface distortion Piston, Attachment direction indication mark piston pin, Major diameter measurement position piston ring Major diameter Piston pin hole inside diameter Opening of piston and cylinder Piston pin major diameter Opening of piston and piston pin Opening of piston pin and connecting rod clip section Piston ring being agreeable oral opening Top Second Oil (channel side-rail) Opening of ring and piston-ring groove Top Second Piston ring mark Top Second Connecting rod clip section inside diameter

Standard 64.000-64.015 "IN" mark facing toward the intake side From skirt bottom 10mm 63.970-63.990 15.002-15.008 0.010-0.045 14.994-15.000 0.002-0.014 0.016-0.040 0.2-0.35 0.35-0.50 0.20-0.70 0.025-0.055 0.015-0.045 The mark aspect is directed to the top The mark aspect is directed to the top 15.016-15.034

Unit: mm Service Limit 64.1 0.05 0.05 0.1 63.9 15.05 0.1 14.98 0.04 0.06 0.5 0.7 0.9 0.08 0.1 15.07

Crankshaft/Transmission Item Crankshaft Oil clearance

Crank pin Main journal

Wobble Connecting rod large end side clearance Transmission Gear inside diameter M4, M5, C2, C3 C1 Bushing inside diameter M4, C2, C3 C1 Bushing outside diameter M4, C2, C3 M5 C1 Mainshaft outside diameter (M4 bushing) Countershaft outside diameter C1 bushing C2 bushing C3 bushing Gear-to-bushing clearance M4, C1, C2, C3 M5 Bushing-to-shaft clearance M4, C3 C1 C2 Shift fork shaft outside diameter Shift fork Claw thickness Shaft hole inside diameter Shift drum journal outside diameter

Standard 0.022-0.044 0.025-0.041 0.05-0.20 28.000-28.021 24.000-24.021 25.000-25.021 20.016-20.037 27.959-27.980 27.949-27.980 23.959-23.980 24.959-24.980

Unit: mm Service Limit 0.05 0.06 0.05 0.5 28.04 24.04 25.04 20.06 27.94 27.94 23.94 24.94

19.980-19.993 24.972-24.990 24.959-24.980 0.020-0.062 0.020-0.072 0.020-0.062 0.023-0.057 0.010-0.049 12.966-12.984 5.93-6.00 13.000-13.021 11.966-11.984

19.96 24.95 24.94 0.1 0.1 0.1 0.1 0.1 12.9 5.63 13.04 11.9

Front Wheel/Suspension/Steering Item Front fork Axle runout Rim runout Radial Axial Tire Remaining groove Cold pressure One name riding in a car Generality High speed Two name riding in a car Generality Fork Spring free length Oil level Oil kind Tube runout Steering head bearing preload

Standard 200 kPa (2.00 kgf/cm²) 200 kPa (2.00 kgf/cm²) 200 kPa (2.00 kgf/cm²) 361.2 523 ± 2.5 cm³ Honda Ultra Cushion Oil 10 1.0-1.4 Nm (0.1-0.15 kgf/m)

Unit: mm Service Limit 0.2 2.0 2.0 1.5 354 0.2 -

Rear Wheel/Suspension Item Rear wheel Axle runout Rim runout Radial Axial Tire Remaining groove Cold One name riding in a car pressure Two name riding in a car Drive chain Slack Size Thickness of drive chain slider

Standard Generality 225 kPa (2.25 kgf/cm²) High speed 225 kPa (2.25 kgf/cm²) Generality 225 kPa (2.25 kgf/cm²) 30-40 RK 525 SM5 / 114 LE DID 525 V8 / 114 LE -

Unit: mm Service Limit 0.2 2 2 2 To worn limited mark

Brakes Item Brake fluid Play of front brake lever Brake pedal free movement rear Brake pad wear indicator Brake disc runout Front Rear Brake disc thickness Front Rear Master cylinder inside diameter Front Rear Master piston outside diameter Front Rear Caliper cylinder inside diameter Front Rear Caliper piston outside diameter Front Rear

Standard DOT 4 10-20 10-20 6 5 11.000-11.043 14.000-14.043 10.957-10.984 13.957-13.984 27.000-27.050 38.180-38.230 26.935-26.968 38.115-38.148

Unit: mm Service Limit To groove 0.4 0.25 5 4 11.05 14.06 10.94 13.95 27.06 38.24 26.91 38.09

Battery/Charging System Item AC Generator Type Output Charging coil resistance (20°C) Regulator/rectifier Type Regulated voltage Battery Capacity Charging current Normal Quick Current leakage Voltage (20°C) Fully charged Needs charging

Specifications Three phase circuit alternating current system 347W at 5000 rpm 0.1-1.0 Ω Thyristor system 14.0-15.0V at 5000 rpm 12V-8Ah 0.9A/5-10h 4.0A/1h 0.1 mA maximum Above 12.8V Below 12.3V

Ignition System Item Ignition system Spark plug

Specififcations Full transistor type battery ignition NGK The Nippondenso Co., Ltd. Standard DPR7EA-9 X22EPR-U9 For extended high speed riding DPR8EA-9 Z24EPR-U9 Spark plug gap 0.8-0.9 mm Ignition timing "F" mark 11° BTDC at 1100 rpm Advance start 2000 ± 100 rpm Advance stop 7800 rpm Ignition coil Type MP10 Peak voltage 100 V minimum Pulse generator Resistance (20°C) 450-510 Ω Peak voltage 0.7V minimum

Electric Starter Item Starter motor brush length

Unit: mm Standard Service Limit 12.5 6.5

Lights/Meters/Switches Item Fuse Main Sub Bulbs Headlight (High/low beam) Tail/brake light Front turn signal/running light Rear turn signal light Instrument light Turn signal indicator Neutral indicator Side stand indicator High beam indicator Hydraulic warning indicator Water temperature warning indicator Thermo switch OFF → ON ON → OFF Fan motor switch OFF → ON ON → OFF

Specifications 30A 10A × 4 12V-60/55W 12V-5/18W 12V-18/5W 12V-18W 12V-0.84W LED LED LED LED LED LED 112-118°C Below 108°C 98-102°C 93-97°C