Eton VECTOR ST 250 Manuel utilisateur

CONTENTS

GENERAL INFORMATION

1.Information…………………………………………………….…2

2.Maintenance………………………………………………….…..6

3.Engine Removal & Installation…………………………..…..14

ENGINE

4. Lubrication System……………………………………………16

5. Fuel System…………………………………………………….23

6. Cylinder HEAD & Cylinder Valve……………………….…..34

7. Cylinder & Piston…………………….………………………..50

8.V-Belt driving system…………………………………………58

9. Transmission…………………………………………………...72

10. ACG & Start one way clutch………………………………..84

11. Crankcase & Crank…………………………………………..93

12. Cooling System……………………………………………..101

CHASSIS

13.Steering & Suspension…………………………................113

14. Front Wheel & Brake System…………………………….121

15. Rear Wheel & Brake System………………………….….127

16. Fenders & Exhaust Pipe……………………………….....136

17. Electrical System…………………………………………..142

18. Trouble Shooting…………………………………………..151

1. INFORMATION

1.1 SAFTY

1.2 NOTES

1.3 SPECIFICATION

1.4 SERIAL NUMBER

1.5 TORQUE VALUE

1.1 SAFETY

GASOLINE

Gasoline is extremely flammable and is explosive under certain condition.

Do not smoke or allow sparks or flames in your work area.

●CARBON MONOXIDE

Never run the engine in a closed area. The exhaust contains poisonous carbon

monoxide gas that may cause loss of consciousness and lead to death.

●BATTERY ELECTROLYTE

The battery electrolyte contains sulfuric acid. Protect your eyes, skin and

clothing. If you contact it, flush thoroughly with water and call a doctor if electrolyte

gets in your eyes.

● HOT PARTS

Engine and exhaust pipe become very hot and remain hot for one hour after the

engine is run. Wear insulated gloves before handling these parts.

● USED ENGINE/GEAR OIL

Used engine oil and gear oil may cause skin disease if repeatedly contact with

the skin for long periods.

Keep out of reach of children.

1.2 NOTES

All information, illustrations, directions and specifications included in this publication are base on the latest

product information available at the time of approval for printing.

JI-EE Dynamic Technology Industry Co., Ltd. reserves the right to make changes at any time without notice

and without incurring any obligation whatever.

No part of this publication may be reproduced without written permission.

1.3 SPECIFICATION ENGINE

Type 4 Stroke，Single Cylinder, Water cooled

Displacement 249c.c.

Bore and Stroke 71 mm x 63 mm

Compression 10.6:1

Maximum Hp 19ps / 5600

Maximum Torque (Nm/rpm) 22.3 Nm / 5500

Carburetor

Ignition DC-CDI

Starting Electric

Lubrication Auto oil injection

Transmission Automatic (C.V.T. V-belt + Reverse)

CHASSIS

Overall Length 1815mm

Overall Width 1062mm

Overall Height 1130mm

Wheel base 1193mm

Ground Clearance 150mm

Dry Weight 225kg

Fuel Tank Capacity 12L

SUSPENSION

Front Double A-Arm & Adjustable

Shocks

Rear Swing Arm & Adjustable Shock

BRAKES

Front Hydraulic Disc*2

Rear Hydraulic Disc*1

TIRES

Front 21x7-10

Rear 22x10-10

PRESSURE 【psi ( kgf/cm2)】

Front 12(0.8)

Rear 12(0.8)

COLORING

Specifications subject to change without notice.

1.4 SERIAL NUMBER

The frame serial number is stamped on the front of the frame.

The engine serial number is stamped on the left side of the crankcase.

Side Frame serial number Engine serial number

Frame serial number

1.5 TORQUE VALUES

STANDARD

●5 mm bolt and nut 5 N.m (3.5 lbf.ft)

●6 mm bolt and nut 10 N.m (7.2 lbf.ft)

●8 mm bolt and nut 22 N.m (16 lbf.ft)

●10 mm bolt and nut 35 N.m (25 lbf.ft)

●12 mm bolt and nut 55 N.m (40 lbf.ft)

ENGINE

●Cylinder head nut 28 N.m (20.7 lbf.ft)

●Spark plug 12 N.m (8.9 lbf.ft)

●Cylinder head bolt 20 N.m (14.8 lbf.ft)

●Alternator bolt 8 N.m (5.9 lbf.ft)

FRAME

●Handlebar upper holder bolt 24 N.m (17.7 lbf.ft)

●Throttle housing cover screw 4 N.m (2.9 lbf.ft)

●Steering shaft nut 50 N.m (36.9 lbf.ft)

●Steering shaft holder bolt 33 N.m (24 lbf.ft)

●Wheel rim bolt 18 N.m (13.3 lbf.ft)

●Tie rod lock nut 35 N.m (25.8 lbf.ft)

●King pin nut 40 N.m (29 lbf.ft)

●Handlebar lower holder nut 40 N.m (29.5 lbf.ft)

●Front wheel bolt 24 N.m (17.7 lbf.ft)

●Front axle castle nut 40-60 N.m (30-45 lbf.ft)

●Front brake arm nut 4 N.m (3.0 lbf.ft)

●Rear brake arm nut 7 N.m (5.2 lbf.ft)

●Rear axle castle nut 40-60 N.m (30-45 lbf.ft)

●Rear wheel bolt 24 N.m (17.7 lbf.ft)

●Exhaust muffler mounting bolt 30 N.m (22.1 lbf.ft)

●Engine hanger bolt 30 N.m ( 22 lbf.ft)

●Rear axle holder bolt 90 N.m (65 lbf.ft)

●Swing arm pivot nut 90 N.m (65 lbf.ft)

●Rear shock absorber mounting nut 45 N.m (33 lbf.ft)

2. MAINTENANCE

2.1 MAINTENANCE DATA 2.8 IDLE SPEED

2.2 MAINTENANCE SCHEDULE 2.9 DRIVE CHAIN

2.3 FUEL TUBLE 2.10 BRAKE SYSTEM

2.4 THROTTLE OPERATION 2.11 WHEELS AND TIRES

2.5 THROTTLE CABLE AJUSTMENT 2.12 STEERING SYSTEM

2.6 AIR CLEANER 2.13 TOE-IN

2.7 SPARK PLUG

2.1 MAINTENANCE DATA

SPECIFICATION

SPARK PLUG

SPARK PLUG GAP 0.8 mm

RECOMMENDED SPARK PLUGS NGK CR8E

THROTTLE LEVER FREE PLAY 5-10 mm

IDLE SPEED 1700±100 rpm

BRAKE LEVER FREE PLAY 15-25 mm

DRIVE CHAIN SLACK 10-25 mm

TOE-IN 5±10 mm

TORQUE VALUES

SPARK PLUG 12-19 N.m

TIE-ROD LOCK NUT 35-43 N.m

ENGINE OIL 1.4 Liter (1.2Liter for change)

GEAR LUBRICATION OIL 750cc (650cc for change)

2.2 MAINTENANCE SCHEDULE

The internal maintenance in the following table is based on average riding, normal conditions.

Riding in unusually dusty areas, require more frequent servicing.

300KM Every

1000KM Every

3000KM Every

6000 KM Every

12000KM Notes

1 Month 3 Months 6 Months 1 Year 2 Years

Fuel Lines I I R

Throttle Operation I I

Air Filter I C R

Fuel Filter R

Spark Plug I I R

Drive Chain I, L Lubricate for every 1 month

Brake Shoes I

Brake System I I

Brake Fluid I R

Nuts, Bolts & Fasteners I

WHEEL/TIRES I I

Wheels I I

Steering System I I

Suspension System I I

C.V.T Drive belt I R

Transmission Oil R Replace for every 3,000km or 6 Months

Engine Oil R Replace for every 3,000km or 6 Months

Battery I I,C I,C

Oil Filter (Screen) C C

Valve Clearance I I

Coolant I I R

Cooling Fan I I

Carburetor (Idle Speed) I I

Choke I

Note – I: Inspect and Clean, Adjust, Lubricate or Replace, if necessary

C: Clean L: Lubricate R: Replace

2.3 FUEL TUBE

Inspect the fuel lines for deterioration, damaging or

leakage and replace if necessary.

2.4 THROTTLE OPERATION

Inspect for smooth throttle lever full opening and automatic

full closing in all steering positions.

Inspect if there is no deterioration, damage or kink in the

throttle cable, replace it if necessary.

Check the throttle lever, free play is 5-10 mm at the tip of

the throttle lever.

Disconnect the throttle cable at the upper end.

Lubricate the cable with commercially lubricant to prevent

premature wear.

2.5 THROTTLE CABLE ADJUSTMENT

Slide the rubber cap of the adjuster off the throttle

Housing, loosen the lock nut and adjust the free play

of the throttle lever by turning the adjuster on

the throttle housing. Inspect the free play of the

throttle lever.

2.6 AIR CLEANER

Please remove the four hooks, and then disassemble

two screws inside the air cleaner case.

Pull out the air filter element from the air cleaner case.

Washing the element in non-flammable solvent, squeeze

out the solvent thoroughly.

Let it dry.

Soak the filter element in gear oil and then squeeze

out the excess oil.

Install the every component into air cleaner in the reverse

order of removal.

Note: for more detail please check chapter 5-10

Throttle

2.7 SPARK PLUG

This spark plug is located at the front of the engine.

Disconnect the spark plug cap and unscrew

the spark plug.

Check the condition of spark plug electrodes wear.

Change a new spark plug if the electrodes and

insulator tip appear unusually fouled or burned.

Discard the spark plug if there is apparent wear or

if the insulator is cracked or chipped.

The spark plug gap shall keep in 0.6-0.7mm

With the sealing washer attached, thread the

spark plug in by hand to prevent crosses threading.

Tighten the spark plug with 12-19 N.m

2.8 IDLE SPEED

Connect an engine speed meter.

Warm up the engine, 10 minutes are enough.

Turn the idle-speed adjust screw on the carburetor

to obtain the idle speed. “Turn in” (clockwise) will

get higher speed. “Turn out” (counter clockwise) will

get lower speed.

IDLE SPEED: 1700±100 rpm

2.9 DRIVE CHAIN

Stopping the ATV and shift the transmission into neutral(N) .

Measure the drive chain slack midway between the

sprockets.

Chain slack =15~25mm (5/8~1 inch)

Adjust the chain slack.

Loosen the lock nuts and turn drive chain adjusting nuts

until get the correct slack.

Tighten the axle holder bolts.

Torque = 90N.m (65 lbf.ft)

When the drive chain becomes very dirty, it should be

removed, cleaned and lubricated by specify lubricator.

Please use special chain oil to lubricate the drive

chain.

Clean the drive chain with kerosene and wipe it dry.

Inspect the drive chain for any possible wearing or damaging.

Replace the chain, if it is worn excessively or damaged.

Inspect the sprocket teeth, if it is excessive wearing

or damaging, please replace it.

2.10 BRAKE SYSTEM

Inspect the front brake lever and cable for excessive

play or other damage.

Replace or repair if necessary.

Measure the free play of the brake lever at the end of the

brake lever.

The standard of free play is 15-25 mm.

The parking brake is shown on the picture. The position

of parking Off is on the left side. Turn parking brake to

right side is parking on

Parking Off

Parking Brake

Parking On

Brake level

Adjustable nut

Ce manuel convient aux modèles suivants

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