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Viper 70Mini 

 (RX4-70M)

 

Viper 70 

(RX4-70)

 

Viper 90-4R 

(RX4-90R)

 

Carburetor 

  

  

  

Make/Size 

SW 18mm (Manual Coke) 

SW 18mm (Manual Coke) 

TK SVR 22mm (Manual 
Choke) 

Main Jet 

0.95mm 0.95mm 0.1mm 

Pilot Jet 

0.32mm 0.32mm 0.32mm 

Air Mixture Adjustment 

Back out 1½ - 1¾ turns 

Back out 1½ - 1¾ turns 

Back out 1½ - 1¾ turns 

   Idle Speed 

Idle 1700 - 1900rpm 

Idle 1700 - 1900rpm 

Idle 1700 - 1900rpm 

Sprockets 

  

  

  

Front 

520x13t 520x13t 520x13t 

Rear 

520x28t 520x28t 520x28t 

Chain 

#520 #520 #520 

Battery Size 

  

  

  

Jell Acid  (Maintenance Free) 

12V-4AH/5AH - GTX5L 

12V-4AH/5AH - GTX5L 

12V-4AH/5AH - GTX5L 

Fluids 

  

  

  

Type 

Unleaded  Gasoline 89 
octane 

Unleaded  Gasoline 89 
octane 

Unleaded  Gasoline 89 
octane 

Fuel 

Volume 

4.5liters / 1.2gal 

4.5liters / 1.2gal 

4.5liters / 1.2gal 

Type 

SAE 20W - 40 

SAE 20W - 40 

SAE 20W - 40 

Engine Oil 

Volume 

0.8liters / 0.84gt 

0.8liters / 0.84gt 

0.8liters / 0.84gt 

Type 

SAE 80W/90 

SAE 80W/90 

SAE 80W/90 

Transmission 

Volume 

120cc / 4.1oz 

120cc / 4.1oz 

300cc / 10.2oz 

Spark Plug 

  

  

  

NGK 

CR7HSA/NGK CR7HSA/NGK CR7HSA/NGK 

Nipendenso 

U22FS-U U22FS-U U22FS-U 

Champion 

Z9Y (Not recommended) 

Z9Y (Not recommended) 

Z9Y (Not recommended) 

  

Electrode 

Gap 

   0.6-0.7mm / 0.023" 

0.6-0.7mm / 0.023" 

0.6-0.7mm / 0.023" 

Safety Features 

  

  

  

Remote Control Stop/Start 

Standard equipment 

Optional kit 

Optional Kit (Stop Only) 

Safety Tether Switch 

Standard equipment 

Standard equipment 

N/A 

Enclosed Foot Rest Area 

Standard equipment 

Standard equipment 

Standard equipment 

Enclosed Engine compartment 

N/A N/A 

N/A 

Carrying Capacity 

  

  

  

Front 

N/A N/A 

N/A 

Rack Capacity 

Rear 

N/A N/A 

N/A 

Trailer 
Wgh 

N/A N/A 

N/A 

Towing Capacity 

Tongue 
Wgh 

N/A N/A 

N/A 

Maximum Rider Weight 

68.2kg / 190lb 

68.2kg / 190lb 

68.2kg / 190lb 

Minimum Rider Age 

6 years 

6 years 

12 years  

Copyright ©2008-2009 ETON America, all rights reserved.

Summary of Contents for Viper 70

Page 1: ...E TON 2006 2009 VIPER OWNER S MANUAL Viper 70 Viper 70M and Viper 90R with 4 Cycle Engines Copyright 2008 2009 ETON America all rights reserved...

Page 2: ...ys wear protective clothing Protective helmet with face shield elbow and knee pads long leg pants gloves and hard soled boots should always be worn when operating this vehicle OFF ROAD Use ONLY This v...

Page 3: ...tion 15 Tire Pressure 15 Spark Plug 15 Exhaust System Maintenance 15 Muffler Cleaning 15 Spark Arrestor Screen 16 Air Filtration System 16 Air Filter Maintenance 16 To clean the filter 16 Braking Syst...

Page 4: ...the vehicle should be pushed across using extreme caution 5 This vehicle MUST NOT be operated without adult supervision and instruction 6 DO NOT operate this vehicle while under the influence of drugs...

Page 5: ...l level in the oil tank Check fuel level and inspect for fuel leaks Remember you can ride further in 1 hour than you can walk back in 1 day 11 WARM UP your body with some exercises before riding This...

Page 6: ...ace free of any ignition source 14 NEVER run the vehicle in an enclosed area The exhaust gases from the engine contain CARBON MONOXIDE which can be fatal if breathed in high concentrations for an exte...

Page 7: ...ks you may need them if you are stranded If you are lost at night do not move around You will waste valuable fuel that you can use to ride safety in the daylight Carry a first aid pack with you Carry...

Page 8: ...Lock 3 Throttle lever 4 Rear brake lever 5 Engine stop switch 6 Head lamp switch 7 Horn button 8 Engine starter button 9 Manual Choke Lever Vehicle Identification Number VIN is located at the front of...

Page 9: ...closed or on As the engine warms return the lever to the full right position Choke open or off Throttle lever The throttle lever is located on the right hand handle bar below the grip To operate the...

Page 10: ...ld be engaged as a parking brake whenever the vehicle is not in operation This feature must be engaged in order to start the engine The brake lever has a safety switch built in to prevent the engine f...

Page 11: ...it check the rubber seal inside the cap for cuts tears and dirt Clean or replace the seal if it becomes worn or torn The seal must be in good condition to insure a proper seal of the cap to the tank t...

Page 12: ...Remove the filter from the fuel line by holding the line and pulling the filter Install the new filter by inserting the filter into the fuel line and returning the clamps to the original position Turn...

Page 13: ...s of operation When operating in dusty our humid conditions the oil should be change more frequently To change the engine oil in your E TON engine follow these steps 1 Place an oil catch pan directly...

Page 14: ...procedure described above is not followed If your engine shut off while shifting it is usually caused by not allowing the engine to reduce to the idle speed or the idle speed is set to high 1700rpm i...

Page 15: ...n plug and torque to 7 10lb ft 6 Fill the transmission case with SAE 80W 90 gear oil through the filler hole 70cc Engine 100cc 3 4oz 90cc Engine with Reverse 300cc 10 2oz 7 Reinstall the Filler hole p...

Page 16: ...essure is Min 3 2psi 0 23kg cm Front Max 4 0psi 0 28kg cm Min 3 2psi 0 23kg cm Rear Max 4 0psi 0 28kg cm Wheel Nut torque 24 30 N m 18 22 lb ft Spark Plug Replace spark plug at the beginning of each s...

Page 17: ...xcessive wear that could cause engine failure the engine requires a continuous flow of clean air Air is taken into the engine through air filters to clean the air prior to mixing it with fuel in the c...

Page 18: ...er while watching the brake mechanism for proper operation Tighten repair or replace parts as needed to insure safe brake operation Clean any build up of mud or debris from the brake mechanism The bra...

Page 19: ...level and brake pads If the brake lever feels spongy or does not stop when squeezed you may have air in the lines All air must be purged from the brake lines for the disc brake to operate properly See...

Page 20: ...t fading Drive Chain The drive chain will stretch with use and will require periodic adjustments To check the chain tension remove the chain guard and measure the slack The amount of slack in the chai...

Page 21: ...top screw clockwise to reduce the throttle travel thus reducing the maximum speed of the unit Turning the stop screw counter clockwise will increase the throttle travel thus increasing the maximum spe...

Page 22: ...re the safety tether switch cap is fully engaged Viper 70M 70 Only Turn the fuel valve to the ON position Insert the key into the ignition switch and turn to the ON position Turn the engine stop switc...

Page 23: ...hile supporting your weight on the outer footrest Use the throttle to maintain power throughout the turn If you do not use this turning technique the unit will have a tendency to continue in a straigh...

Page 24: ...h 800mm 31 5 860mm 33 9 940mm 37 Wheel Base 930mm 36 1 930mm 36 1 1030mm 40 6 Seat Higth 640mm 25 1 670mm 26 4 680mm 26 8 Ground Clearance 80mm 3 15 100mm 3 94 120mm 4 7 Dry Weight 110kg 243lbs 112kg...

Page 25: ...e Oil Volume 0 8liters 0 84gt 0 8liters 0 84gt 0 8liters 0 84gt Type SAE 80W 90 SAE 80W 90 SAE 80W 90 Transmission Volume 120cc 4 1oz 120cc 4 1oz 300cc 10 2oz Spark Plug NGK CR7HSA NGK CR7HSA NGK CR7H...

Page 26: ...rake 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 Waste Gas Recovery Valve I R Intake Exhaust Valve Adj I Gear Engine Oil...

Page 27: ...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 Waste Gas Recovery Valve I R Intake Exhaust Valve Adj I Gear Engine Oi...

Page 28: ...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 Waste Gas Recovery Valve I R Intake Exhaust Valve Adj I Gear Engine Oi...

Page 29: ...Page 28 Owners Maintenance Records Maintenance Performed Date Performed By Copyright 2008 2009 ETON America all rights reserved...

Page 30: ...Page 29 Wire diagram Viper 70M RX4 70M Copyright 2008 2009 ETON America all rights reserved...

Page 31: ...Page 30 Wire diagram RX4 90R Copyright 2008 2009 ETON America all rights reserved...

Page 32: ...age caused by accidents misuse negligence improper vehicle operation 2 Any modification or alteration to any standard specifications or equipment 3 Any repairs made by an unauthorized dealer or servic...

Page 33: ...ize themselves with the machine and to make certain the unit is in proper operating condition The dealer is responsible for checking and performing all items on the set up and pre delivery checklist p...

Page 34: ...Page 33 Owner s Notes Copyright 2008 2009 ETON America all rights reserved...

Page 35: ...f the problem All eligible warranty repairs must be made at any authorized dealer s normal place of business Any transportation costs or other expenses which may occur in order to obtain warranty serv...

Page 36: ...be determined LIMITED LIABILITY The liability of ETON America LLC under this Limited Vehicle Warranty is limited solely to the remedying of the defects in the materials or workmanship by any authorize...

Page 37: ...f initial retail purchase date issued at the time of purchase to an authorized ETON America LLC Scooter moped vehicle dealer at the time warranty repairs are performed on the Scooter moped vehicle You...

Page 38: ...Page 37 Copyright 2008 2009 ETON America all rights reserved...

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