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MAINTENANCE AND CARE 

MOTOR AND CONTOLLER CAN BE VERY HOT, CAUSING BURNS AND SEVERE INJURY. BE SURE THESE 

COMPONTS HAVE HAD TIME TO COOL BEFORE ATEMPTING TO DO ANY MAINTENCE.  

 

BEFORE DOING ANY WORK ON YOUR BIKE ALWAYS BE SURE TO REMOVE THE BATTERY. 

 

Service:

 Before every ride complete the bike inspection outlined in the section “Inspection before every ride”. 

If you identify any areas that need adjustment or service, take your bike to a qualified bike technician for 
repair and service.  

Before and after every ride:

 Check wheels and tire inflation, Check handlebar and stem, Check brakes, Check 

seat and seat post, Check lights and reflectors, Check frame, fork, and components. Clean your bike and 
remove any grass or debris on your bike especially from your drivetrain system. Never clean your brake pads 
or rotor with any type of lubricant.  

 

Monthly:

  Clean your bike thoroughly and remove any grass or debris on your bike especially from your 

drivetrain system. Squeeze and inspect brake for wear and proper working order. Check reflectors, lights, and 
seat/seat post for excess wear or damage.  Check the frame, fork, handlebars, and stem for cracks and 
damage. Check each pedal to make sure they are not loose. Make sure there is no rust or kinks in the control 
cables or cable housing.  Check your wheel rims for excessive wear and dents or for any loose or damaged 
spokes.  Check your tires for tire inflation and excessive wear, cuts, or abrasions. Check each foot platform for 
damage.  

 

Every 3 months:

 Check reflectors, lights, and seat/seat post for excess wear or damage. Check the frame, fork, 

handlebars, and stem for cracks and damage. Lubricate handlebar stem and seatpost. Check each foot 
platform for damage.  Make sure there is no rust or kinks in the control cables or brake housing. Check your 
wheel rims for excessive wear and dents and for loose or damaged spokes. Check your tires for tire inflation 
and excessive wear, cuts, or abrasions. Check crankset and bottom bracket. Inspect and lubricate brake levers. 
Lubricate bottom bracket bearings, wheel bearings.  

 

If you are uncomfortable with any service or general maintenance to your bike, please visit your local bike 
shop for service and maintenance.  

Take your bike to your local bike shop for inspection after 30 days or if you think something is wrong with you 
bike take it in immediately.  

Your bike and components are subject to wear and fatigue. If a component’s life cycle is exceeded, it can 
suddenly fail which may cause serious injury or death.  

Take your bike to your local bike shop for repair and service if you notice any of the following or any other 
wear and fatigue 

Summary of Contents for R250L-B

Page 1: ...B LIL WHIP Scan the QR code for a video of step by step assembly Rambo Bikes 22844 230th Ave Centerville IA 52544 First Edition December 2022 Published by Rambo Bikes Centerville Iowa All rights rese...

Page 2: ...ATING INSTRUCTIONS page 20 STANDARD LIMITED WARRANTY page 21 Contact Information Email cs rambobikes com Phone 952 283 0777 Website rambobikes com Serial Number This is a good time to record your seri...

Page 3: ...AND RESPONSIBILITY IS REQUIRED WARNING CHILDREN UNDER THE AGE OF 8 YEARS SHOULD NOT BE ALLOWED TO HANDLE OR USE THE BATTERY CHARGER WARNING MISUSE OR IMPROPER USE OR OPERATION OF THIS PRODUCT CAN LEAD...

Page 4: ...PERSONAL LIABILITY PENALTIES AS DETERMINED BY THE U S JUDICIAL SYSTEM IT IS THE RESPONSIBILITY OF THE PARENT TO KNOW THE LOCAL LAWS AND REGULATIONS WHERE EBIKES ARE PERMITTED CHECK WITH YOUR LOCAL LAW...

Page 5: ...cross at a 90 degree angle Mount a horn or bell on to your bike to signal others of your approach before riding fast or in more difficult conditions try riding at slower speeds in a flat open area to...

Page 6: ...S INJURY OR DEATH Night Riding and Poor Visibility Riding at dawn dusk during poor visibility or night riding is extremely dangerous Your reflectors are not a substitute for required bike lights Motor...

Page 7: ...remote areas If you are unfamiliar with off road riding start out on moderate terrain and slowly build your skills until you are confident you can ride on trails and unimproved roads Remember keep yo...

Page 8: ...to Strap on your helmet that meets ASTM or CPSC safety testing requirements Have reflectors and lights installed on your bike Use proper hand signals Avoid loose clothing Ride on the correct side of t...

Page 9: ...l or take the bike to your bike shop for service Never ride a bike with a damaged part have it replaced Tires and Wheels Spin each wheel and check that the tires are in good shape with no cuts or abra...

Page 10: ...not ride the bike until this is corrected Inspect cable routing to be sure the handlebars can turn freely without binding or pinching the cables Check to be sure that your hand grips on the handlebar...

Page 11: ......

Page 12: ...s BE SURE NOT TO CUT ANY ELECTICAL WIRES OR BRAKE CABLES Once the packaging material is removed from the bike remove the Allen bolts from the handlebar clamp using a 4mm Allen wrench At this time be s...

Page 13: ...and the handlebars Loosen the axle nuts from the axle then put the wheel into the fork making sure wheel spacers are on the inside of the fork on both sides As shown below The Right side of the wheel...

Page 14: ...The Left side of the wheel will use the narrower 6 5mm spacer between the hub and the fork as shown below Then use a 16mm wrench to tighten the axle nuts firmly As shown below...

Page 15: ...h tighten to 45 IN LBS or 5 Nm Then Check the tires for proper air pressure the minimum and maximum air pressure should be between 20psi 35psi Once the bike is assembled fully charge the battery and i...

Page 16: ...here is no rust or kinks in the control cables or cable housing Check your wheel rims for excessive wear and dents or for any loose or damaged spokes Check your tires for tire inflation and excessive...

Page 17: ...RGING STORAGE WARNING NO CHILD UNDER THE AGE OF 8 YEARS OLD SHOULD ATTEMPT TO CHARGE THE BATTERY ON THEIR OWN WARNING DO NOT SHORT CIRCUIT DO NOT CRUSH DO NOT HEAT OR INCINERATE DO NOT IMMERSE IN ANY...

Page 18: ...WITH THE BIKE TO CHARGE THE BATTERY DO NOT USE ANY OTHER CHARGER WARNING DO NOT CHARGE BATTERY FOR LONGER THAN 12 HOURS WARNING ALWAYS CHARGE IN A DRY AREA The battery can be charged while on the bik...

Page 19: ...ing plug into the battery charging port as shown below When charging the charger will display red and once fully charged the charger will turn green Charging will take approximately 4hrs depending on...

Page 20: ...g be sure rider is capable of keeping balance by testing the bike without using the motor to ensure the rider is capable Be sure the seat height it set properly the rider should be able to put both fe...

Page 21: ...al assist This means that when you are pedaling the bike there is a sensor that senses the bike is being pedaled and will offer motor assistance to the rider When the rider stops pedaling the motor as...

Page 22: ...sassembly adjustments of components normal wear and tear damage caused by improperly installed parts or components installation and use of aftermarket accessories or storage fees Any installation of a...

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