Eton beamer R2-50 Manual de usuario
ETON America
Beamer R2-50
Service Manual
Covers:
Beamer R2-50
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Beamer R2 Rev 1.0 Page 2 of 56 6/13/2007
Table of Contents
1. INFORMATION..................................................................................................................................... 4
1.1 SAFETY ........................................................................................................................................... 4
1.2 NOTES.............................................................................................................................................. 4
1.3 Specifications.................................................................................................................................... 5
1.4 SERIAL NUMBER .......................................................................................................................... 6
1.5 Standard Torque Values.................................................................................................................... 7
2. MAINTENANCE ................................................................................................................................... 8
2.1 MAINTENANCE DATA ................................................................................................................. 8
2.2 MAINTENANCE SCHEDULE ....................................................................................................... 9
2.3 FUEL TUBE ..................................................................................................................................... 9
2.4 THROTTLE OPERATION .............................................................................................................. 9
2.5 THROTTLE CABLE ADJUSTMENT .......................................................................................... 10
2.6 AIR CLEANER .............................................................................................................................. 10
2.7 SPARK PLUG ................................................................................................................................ 10
2.8 IDLE SPEED .................................................................................................................................. 11
2.9 BRAKE SYSTEM .......................................................................................................................... 11
2.10 WHEELS AND TIRES................................................................................................................. 12
2.11 GEAR OIL .................................................................................................................................... 12
2.12 ENGINE STOP SWITCH............................................................................................................. 12
2.13 HIGH-LOW BEAM CONTROLLER .......................................................................................... 13
3. ENGINE REMOVAL AND INSTALLATION ................................................................................... 14
3.1 ENGINE REMOVAL..................................................................................................................... 14
3.2 ENGINE INSTALLATION............................................................................................................ 16
4. ENGINE FUEL SYSTEM.................................................................................................................... 17
4.1 TROUBLESHOOTING.................................................................................................................. 17
4.2 CARBURETOR.............................................................................................................................. 18
5. ENGINE LUBRICATION AND COOLING SYSTEM ...................................................................... 21
5.1 TROUBLESHOOTING.................................................................................................................. 21
5.2 ENGINE LUBRICATION SYSTEM............................................................................................. 21
5.3 CAUTION: Fuel/Oil Ratio ............................................................................................................. 21
5.4 OIL PUMP...................................................................................................................................... 22
5.5 COOLING SYSTEM...................................................................................................................... 23
6. ENGINE COMBUSTION SYSTEM ................................................................................................... 23
6. ENGINE COMBUSTION SYSTEM ................................................................................................... 24
6.1 TROUBLESHOOTING.................................................................................................................. 24
6.2 CYLINDER AND PISTON REMOVAL....................................................................................... 25
6.3 CYLINDER AND PISTON INSPECTION ................................................................................... 25
6.4 INSTALLATION ........................................................................................................................... 27
7. TRANSMISSION SYSTEM ................................................................................................................ 29
7.1 TROUBLESHOOTING.................................................................................................................. 29
7.2 THE PARTS DRAWING OF TRANSMISSION SYSTEM.......................................................... 29
7.3 TRANSMISSION POWER PATH ................................................................................................ 30
7.4 AUTOMATIC CONTINUOUS VARIABLE TRANSMISSION.................................................. 31
7.5 CONTINUOUS VARIABLE TRANSMISSION........................................................................... 31
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Beamer R2 Rev 1.0 Page 3 of 56 6/13/2007
7.6 TRANSMISSION BOX ................................................................................................................. 32
7.7 ELECTRIC STARTER MOTOR ................................................................................................... 33
7.8 KICK STARTER............................................................................................................................ 33
8. FRONT WHEEL, BRAKE AND STEERING SYSTEM .................................................................... 35
8.1 TROUBLESHOOTING.................................................................................................................. 35
8.2 MAINTANENCE DATA ............................................................................................................... 35
8.3 SPEEDOMETER CABLE REMOVAL ......................................................................................... 36
8.4 HANDLEBAR REPLACEMENT.................................................................................................. 36
8.5 FRONT WHEEL ............................................................................................................................ 37
8.6 FRONT BRAKE............................................................................................................................. 38
8.7 FRONT FORK................................................................................................................................ 40
9. REAR WHEELAND BRAKE SYSTEM......................................................................................... 41
9.1 TROUBLESHOOTING.................................................................................................................. 41
9.2 MAINTENANCE DATA ............................................................................................................... 41
9.3 REAR WHEEL REMOVAL .......................................................................................................... 41
9.4 REAR WHEEL INSPECTION....................................................................................................... 42
9.5 REAR BRAKE ............................................................................................................................... 42
9.6 REAR SHOCK ABSORBER PARTS DRAWING ....................................................................... 43
10. PLASTIC BODY PARTS............................................................................................................... 44
10.1 FRONT FENDER......................................................................................................................... 44
10.2 BODY COVER............................................................................................................................. 44
11. ELECTRICAL SYSTEM ............................................................................................................... 48
11.1 TROUBLESHOOTING................................................................................................................ 48
11.2 IGNITION COIL .......................................................................................................................... 49
11.3 IGNITION TIMING, CDI SPECIFICATION, AND A/C GENERATOR TEST........................ 49
11.4 BATTERY INSPECTION AND MAINTENANCE.................................................................... 51
11.5 STARTER MOTOR ..................................................................................................................... 54
11.6 WIRING DIAGRAMS ................................................................................................................. 55
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Beamer R2 Rev 1.0 Page 4 of 56 6/13/2007
1. INFORMATION
1.1 SAFETY
Gasoline is extremely flammable and is explosive under certain conditions.
Do not smoke or allow sparks or flames in your work area.
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.
The battery electrolyte contains sulfuric acid. Protect your eyes, skin and clothing. If you spill the
electrolyte on your skin or in your eyes, flush thoroughly with water. Call a doctor if electrolyte gets in
your eyes.
1.2 NOTES
All information, illustrations, directions and specifications included in this publication are based on the
latest product information available at the time of approval for printing.
E-TON 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.
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Beamer R2 Rev 1.0 Page 5 of 56 6/13/2007
1.3 Specifications
Engine
Type Two cycle air cooled oil injected
Displacement 49.3cc
Bore / Stroke φ40.0 * 39.2mm
Compression - Ratio / Pressure 6.8 : 1 / 90-120psi
Torque / BHP 5.2N m @ 7000rpm / 1.5BHP
Estimated MPG 65mpg
Starting Electrical with Kick starter back up
Transmission
Type Automatic (C.V.T. V-Belt)
Chassis
Overall Length 1830mm / 72.0"
Overall Width 650mm / 25.6"
Overall High 1100mm / 43.3"
Wheel Base 1260mm / 49.6"
Dry Weight 82kg / 180.7lb
Suspension
Front Telescopic Fork
Rear Unit Swing Arm / Single Shock
Brakes
Front Hydraulic Disc
Rear Hydraulic Disc
Tires
Front 120/90-10
Rear 130/90-10
Front Front 18psi / 1.25kg/cm2 (Cold)
Tire Pressure Rear Rear 25psi / 1.75kg/cm2 (Cold)
Carburetor
Make/Size Mikuni 18mm (Manual Coke)
Main Jet 85mm
Pilot Jet 20mm
Air Mixture Adjustment Back out ¾ - 1¼ turns
Idle Speed Idle 1700 - 1900rpm
Battery
Jell Acid (Maintenance Free) 12V-4AH/5AH - GTX5L-BS
Fluids
Type Unleaded Gasoline 89 octane
Fuel Volume 5.5liters / 1.5gal
Type High grade synthetic 2 cycle injector oil
2 Cycle Oil Volume 1.1 liters / 1.2qts
Type SAE 80/90 weight
Transmission Volume 100cc / 3.4oz
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Beamer R2 Rev 1.0 Page 6 of 56 6/13/2007
Spark Plug
NGK (recommended) BPR7HS
Nipendenso W22FRP-U
Champion QL82YC
Electrode Gap 0.6-0.7mm / 0.023"
GVWR 240kg. / 530lbs.
GAWR (Front) 76kg. / 167lbs.
GAWR (Rear) 165kg. / 164lbs.
Red
Blue
Yellow
Available Colors
*Subject to availability Black
1.4 SERIAL NUMBER
The frame serial number is stamped on the front of the frame, at the front of the footrest plate.
The engine serial number is stamped on the left side of the engine crankcase.
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Beamer R2 Rev 1.0 Page 7 of 56 6/13/2007
1.5 Standard Torque Values
ENGINE
¾Cylinder head nut 28-30 N-m (20.7-22.1 lb./ft)
¾Spark plug 12-19 N-m (8.9-14.0 lb./ft)
¾Cylinder head bolt 20-30 N-m (14.8-22.1 lb./ft)
¾Alternator bolt 8-12 N-m (5.9- 8.9 lb./ft)
FRAME
¾Handlebar upper holder bolt 24-30 N-m (17.7-22.1 lb./ft)
¾Steering shaft nut 50-60 N-m (36.9-44.3 lb./ft)
¾Steering shaft bushing holder nut 24-30 N-m (17.7-22.1 lb./ft)
¾Wheel rim bolt 18-25 N-m (13.3-18.4 lb./ft)
¾Tie rod lock nut 35-43 N-m (25.8-31.7 lb./ft)
¾King pin nut 30-40 N-m (22.1-29.5 lb./ft)
¾Handlebar lower holder nut 40-48 N-m (29.5-35.4 lb./ft)
¾Front wheel bolt 24-30 N-m (17.7-22.1 lb./ft)
¾Front axle nut 55-65 N-m (40.6-47.9 lb./ft)
¾Front brake arm nut 4-7 N-m (3.0- 5.2 lb./ft)
¾Rear brake arm nut 7-12 N-m (5.2- 8.9 lb./ft)
¾Rear axle nut 60-80 N-m (44.3-59.0 lb./ft)
¾Rear wheel bolt 24-30 N-m (17.7-22.1 lb./ft)
¾Exhaust muffler mounting bolt 30-35 N-m (22.1-25.8 lb./ft)
¾Engine hanger bolt 24-30 N-m (17.7-22.1 lb./ft)
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Beamer R2 Rev 1.0 Page 8 of 56 6/13/2007
2. MAINTENANCE
2.1 MAINTENANCE DATA
2.2 MAINTENANCE SCHEDULE
2.3 FUEL TUBE
2.4 THROTTLE OPERATION
2.5 THROTTLE CABLE ADJUSTMENT
2.6 AIR CLEANER
2.7 SPARK PLUG
2.8 IDLE SPEED
2.9 BRAKE SYSTEM
2.10 WHEELS AND TIRES
2.11 STEERING SYSTEM
2.12 GEAR OIL
2.1 MAINTENANCE DATA
SPECIFICATION
SPARK PLUG:
SPARK PLUG GAP: 0.6-0.7 mm
RECOMMENDED SPARK PLUGS: NGK BPR7HS
THROTTLE LEVER FREE PLAY: 5-10 mm
IDLE SPEED: 1600±100 rpm
BRAKE LEVER FREE PLAY: 15-25 mm
TIRES:
FRONT TIRE SIZE 120/90-10
REAR TIRE SIZE 130-90-10
FRONT/REAR TIRE PRESSURE 2.5± 0.3 kgf/cm2
TORQUE VALUES
SPARK PLUG 12-19 N-m
TIE-ROD LOCK NUT 35-43 N-m
LUBRICATION:
ENGINE OIL JASO FC Grade or same degree oil
GEAR LUBRICATION OIL SAE 40
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Beamer R2 Rev 1.0 Page 9 of 56 6/13/2007
2.2 MAINTENANCE SCHEDULE
The maintenance intervals in the follow table are based upon average riding conditions. Riding in
unusually dusty areas may require more frequent servicing. E-TON recommends that all maintenance
and inspections be performed ONLY by a qualified and fully trained technician.
INITIAL
SERVICE REGULAR SERVICE
(First week) (Every 30 operating
days)
EVERY
YEAR
Fuel Line I
Throttle Operation I I I
Air Filter system &
Element I C R
Spark Plug I R
Carburetor Idle Speed I I I
Brake Shoe Wear I I I
Brake System I I I
Nut, Bolt, Fastener I I I
Wheels & Wheel Nuts I I I
Steering System I I
Suspension System I I
C.V.T. Air Filter C R
Air Induction Reed Valve I C/R
Transmission Gear Oil I R
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, damage, or
leaks, and replace if necessary.
2.4 THROTTLE OPERATION
Inspect for smooth throttle lever full opening and
automatic full closing in all steering positions.
Inspect for deterioration, damage, or kinking
in the throttle cable. Replace 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 available lubricant to prevent premature wear.
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Beamer R2 Rev 1.0 Page 10 of 56 6/13/2007
2.5 THROTTLE CABLE
ADJUSTMENT
Slide the rubber adjuster cap off the throttle
housing, loosen the locking 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.
This free play should be 5-10mm.
2.6 AIR CLEANER
Unscrew the air cleaner cover screws.
Pull out the air filter element from the air cleaner
case. Wash 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 element into the air cleaner carefully.
2.7 SPARK PLUG
The spark plug is located at the front of the
engine. Disconnect the spark plug cap and remove
the spark plug. Check the spark plug electrodes
for wear. Change the 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 should be set to 0.6-0.7mm.
With the sealing washer attached, thread the spark
plug in by hand to prevent cross threading.
Torque the spark plug to 12-19 N-m.
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