Bicycle engine kit - install test ride

The first true 85cc 2 stroke engine built for motorized bicycling. More than 2 years in the making this exclusive new engine has been redesigned to be the most You asked for it and we listened. The wildly popular high-performance mod that so many riders use to upgrade their Zeda 80 engine is now available for the Zeda Experience unparalleled Protect yourself against germs, diseases, and viruses with a disposable full cover medical gown.

Made with nonwoven material to isolate harmful substances and resist fluid. Elastic cuffs ensure a Medical grade face masks contain a barrier to protect against splashes, droplets, and spit while also effectively and safely filtering out viruses, bacteria, dust, and allergens including the Protect yourself and others from viruses, bacteria, dust, and allergens including the COVID virus.

Our masks have been carefully screened and are held to strict quality standards from a trusted Tested to filter out Simply point and pull the trigger to take a temperature quickly, OEM wide crank set for added pedaling clearance required for use with BT80 engine kits. Includes left and right crank arms with preinstalled black 44 tooth front chain ring.

Includes bicycle frame mounting bracket as well as hardware to attach OEM battery box used to hold the starting battery for BT80 engine kits. Includes 2 piece plastic box, front and rear bicycle frame mounting brackets, and hardware. OEM BT80 rear sprocket kit. Includes 48T sprocket and standard installation rag joint kit — can be used with most 2-stroke and 4-stroke chain-driven rear wheel engine kits.

Get this new and exclusive model that includes a 50mm bore single piece cylinder, an upgraded CDI, the new performance One-way bearing T-belt transmission pulley kit for Grubee 4-stroke 4G engine kits.

Each kit includes a pulley wheel, one-way bearing, 2x bearing retaining clips, and the bearing key - available in Your choice of bike color and engine sprocket size to provide you with your ideal Sign in Create an account. Out of stock. Out of stock Quick view.

Add to Cart Quick view. Add to Cart. The spring is placed inside the cylinder slide and is compressed when the throttle is twisted. Be sure it is seated all the way inside the cylinder. The spring then forces the throttle to return. For this to work properly the throttle must twist freely on the handle bar in both directions prior to the cable being installed. Install twist grip throttle on right side of handlebar end.

On some bike handle bars it may be necessary to ream out the handle ID to fit the bar so that the throttle will twist freely. After installing cable inside the carburetor mount it on engine intake tube and tighten clamp screw. Mount carburetor as level as possible. If this situation occurs, stop engine immediately and replace mixture screw.

Attach fuel petcock to tank. Use Teflon tape to seal threads. Careful not to strip threads. If engine runs poorly clean the valve filter as residue from the tank may have clogged it. It is highly recommend that a tank liner coating be applied inside the tank before installation.

This product is available from motorcycle dealers. Remember safety first: Wipe up any spilled fuel. NEVER fuel a hot engine or smoke while fueling.

This could result in sudden fire, personal injury. Always move your motorized bike at least 10 feet from any fueling area before attempting to start it. Never leave the tank fuel cap off after fueling as rain water will contaminate the fuel and cause engine failure. Disengage clutch by pulling handle bar clutch lever inward and lock into catch lock. Pull clutch arm on left rear engine inward.

It's good idea to place a small gob of grease at gear mesh area. Use grease sparingly! Then replace cover. Squirt light grade oil down clutch cable sheathing to reduce friction and make for easy lever pull. Depending on dusty riding conditions, clean air filter every 5 to 20 hours of operation by removing the filter cover to access the screen and element.

Be sure element is completely dry before re-assembly. Remove spark plug and inspect for excess carbon build up. Clean, re-gap to. Check plug after every 20 hours of operation. New spark plugs are available from your selling dealer. Be careful using aftermarket spark plugs as heat range and threads differ greatly.

Extra plug is included with kit. After 20 hours of operation check exhaust pipe for excessive oil and carbon build-up. Be sure to use supplied support strap to secure exhaust muffler to a solid anchor point on bike frame or engine. Find the center and push downward on the top of chain while measuring the deflection.

Tighten all fasteners after each five hours of operation. A two piece cylinder and head design engine requires head bolts be kept tight. Important: Check head bolts before each and every long ride, vibration can cause them to loosen and blow a head gasket. Caution: Do not over torque or head bolts may break off.

Twisted or broken head bolts due to over tightening is not covered by warranty. Remove cover plate and keep small amount of heavy grease on gear train. Do not over grease as leaks will occur and also may adversely affect clutch operation. Regular greasing if required will help reduce gear wear and keep gear train quiet. Routinely pack grease in the shaft hole behind 10T drive sprocket and also in cover bushing hole.

This will also help deduce noise. Obey all traffic regulations. Always wear a helmet while riding. Remember that you are riding a motorized bicycle and other traffic may not be able to see you.

Never operate your motorized bicycle on a pedestrian through way or sidewalk while the engine is operating. Never operate your motorized bicycle in an unsafe manner. Check local and state laws before riding on streets. Sign in Create an account. Engine Forward Mount Installation: All kits come with a special mount plate for large down tube frames as shown below in figure 1. Figure 1. This adapter plate is included in the kit. Note: All threads on hardware nuts and bolts are metric.

STEP 2 Chain Wheel Sprocket Installation Sprocket Installation on Rear Wheel 44 tooth - 50 tooth or 56 tooth chain wheel sprockets may be installed on Coaster Brake wheels or any wheel without drum brakes or disc brakes; In some cases it may be necessary to enlarge the center sprocket hole to fit axle hub. Figure 2. Attention to true alignment with engine drive sprocket is essential to keep chain from coming off. A chain idler is used to tighten chain if needed. Applying thread adhesive and equal tightening of the sprocket bolts This keeps the chain sprocket true with axle and free from wobble while spinning.

See below for details: 1. Note: Mount Sprocket bright chrome dished side next to spokes. Reconnect the master link, and replace cover plate on engine. Air cleaner screws coming loose and entering engine is not covered by warranty. Mount tank on bike top crossover frame with two supplied brackets and nuts. Attach fuel line from tank to carburetor.

Failure to use non-approved oil will void all warranties and may violate EPA regulations. Break In Steps: 1st tank Maintenance Section 1. How to Adjust Clutch if signs of slipping or squealing occur: 1. Spark Plug: Remove spark plug and inspect for excess carbon build up. Exhaust System: After 20 hours of operation check exhaust pipe for excessive oil and carbon build-up.

Remove exhaust pipe cap by loosening the retaining screw. Pull cap and baffle out of pipe.