49cc, 60cc,80cc gasoline engine bicycle kit for adult petrol gas powered

49cc, 60cc,80cc gasoline engine bicycle kit for adult petrol gas poweredProduct Description
Motorized bicycle starting and operating instructions
1. importANT: PLEASE READ THIS
PETROL AND OIL MIXTURE RATIO
The engine is a 2 stroke design, therefore a petrol/oil mixture is necessary. During the first 500km break-in period, the ratio for engine is 16 parts petrol to 1 part high-grade 2 stroke motorcycle oil (65ml Penrite 2 stroke motor oil to 1 litre of 91 octane unleaded petrol). After the break-in period, the ratio is increased to 20 parts petrol to 1 part oil(50ml Penrite 2 stroke motor oil to 1 litre of 91 octane unleaded petrol).
Be sure to mix fuel and oil before adding to tank - don't add separately.
Do not exceed 20km/h during break-in period. Speed may be increased to 35km/h after the first 500km.
Use only high grade 2 stroke motorcycle oil to ensure proper engine lubrication.
WARNING Remember safety first: Wipe up any spilt fuel. NEVER refuel a hot engine or smoke whilst refueling. This could result in fire and personal injury. Always move your motorised bike at least 3 metres from any refueling area before attempting to start it. Never leave the tank fuel cap off after refueling as rain water could contaminate the fuel and cause engine failure.
Open the fuel valve. Small lever pointed down with fuel line is in the open position.
Depress the small round cap plunger (tickle button), to prime carburetor. One or two times is enough.
Lift choke lever to the upward position. This is the small lever on the right side of the carburetor. All the way up the choke is on. All the way down the choke is off. Move progressively downward to off position during engine warm up period.
Pull the handlebar clutch lever inward, to disengage the engine from the rear wheel.
Pedal (down hill if possible for first start).
Letouttheclutchleverallthewayoutandcontinuing
to pedal. The result is a direct engine hook up with the rear wheel via chain and sprocket and the engine will now start spinning, Pedal until motor starts. Accelerate slowly at first.
Twist throttle to increase speed, reverse twist throttle to decrease speed. To stop, disengage clutch and apply brakes. To accelerate, pedal and release clutch whilst opening throttle.
Adjust choke to the smoothest engine running position.
After warm up push choke lever all the way down. If engine
races too fast, or too slow, pull clutch lever and lock in the
notched catch, stop and adjust engine rpm.
If the rpm needs adjusting, turn the idle adjust screw (top of
carburetor) in or out slowly to obtain the proper idle speed of about 1400 rpm +/- 100 rpm To correctly break the engine in, do not exceed 25 kph or 30 min. continual running for the first 80 klms during engine brake in. Engine will develop more power after break in.
Tostoptheengine,pushKillswitchandturnoffgas valve at tank. Turning off the gas will prevent fuel from being siphoned from tank. Warning: Never leave the tank gas valve in “open” position” when engine is not running or the bike is in storage.
After or before each ride check all mounting fasteners, including head bolts, axle and brakes.
Warning: Engine lock up or piston seizure due to improper petrol/oil mixture will occur. This the responsibility of the owner/operator to make sure the petrol and oil is mixed correctly.Packaging & Shipping
We were very carefully packed by blanket and cartons, for example use air bagand
iron pallets to protect the product for our customers.Our Services
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Our team
Mainbon Group is driven by a professional team, comprising both Chinese and forei-
gners, most team member has more than 10 years experience in management.Company Information
Our Factory
Shanghai Mainbon Industry Co., Ltd. is an industry group based on East China, with
4 subsidiary companies.We have been in the scooter and motorcycle industry for 12
years,the factory building area of 150,000 square meters with about USD12,000,000
fixed assets, 2,000 employees and USD30,000,000 annual sales.FAQContact us
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