SCOOTDAWG GY6 Owner's Manual

Text of SCOOTDAWG GY6 User Guide:

• SCOOTDAWG GY6, 23 Reading Spark Plugs The following information is directly from the NGK website. Normal Condition An engine's condition can be judged by the appearance of the spark plug's firing end. If the firing end of a spark plug is brown or light gray, the condition can be judged to be good and the spark plug is functioning optimally Dry and Wet Fouling Although there are many different cases, if the insulation resistance between the center electrode and the shell is over 10 ohms, the engine can be star ted normally. If the insula

• SCOOTDAWG GY6, 7 Changing the Oil The oil should at a minim um be changed after the first 300km (180 miles) and every 1000km (600 miles) after that. It doesn t hurt to change it after the first 50 miles. New engines can produce small shavings in the first few miles that can be abrasive to the internal parts. It helps for the engine to be warmed (not hot) at the time of change. Place a drain pan under the drain plug. Remove the filler cap, then remove the drain plug . When you remov

• SCOOTDAWG GY6, 14 Brake s Rear Drum Brakes If you have more than ¾ free play or feel the handle bottom out , you need to adjust your brake. Turn the adjusting nut clockwise f or a tighter adjustment. Make sure that the concave side of the adjusting nut is seated securely on the pin. Adjust inward until free play is 3/8 to ½ . After adjusting, spin the wheel to make sure it spins freely. Test ride and adjust again if neces sary.

• SCOOTDAWG GY6, 22 Body Panels Body panels can be tricky to remove but there are a few tricks. The main thing is to be patient and smart. Don t force anything. The following series of photographs is removing the front panel to replace headlight bulbs. The first order of business is to locate the most likely screws that are securing the panel. Sometimes they are well hidden. In this case, th ey are fairly straightforward. Next, gently pry at the panels and try to find tabs or other forms of fitting together. Never force it. Sometimes you find more screws. Sometimes the panel needs to be squeezed or you may need to slide it a certain dir ection. Often the tabs are form

• SCOOTDAWG GY6, 12 Idle Speed Adjustment 150cc=1400rpm +/ - 50cc=1 9 00rpm +/ - Engine idle speed should be adjusted to 1 400 rpm for the 150cc and 1900 rpm for the 50cc . However, when the scooter is new, it may need to be adjusted a little higher until t he engine breaks in to prevent dying at stop lights, etc. If you don t have a tachometer you can adjust by ear. T he idle should be adjusted just high enough so that when set on the center stand with rear wheel elevated, the wheel turns very slowly . A

• SCOOTDAWG GY6, 26 Melting Melting is caused by overheating. Mostly, the electrode surface is rather lustrous and uneven. The melting point of nickel alloy is 1,200~1,300°C (2,200~2,400°F). Lead Erosion Lead erosion is caused by lead compounds in the gasoline which react chemically with the material of the electrodes (nickel alloy) as high temperatures; crystal of nickel alloy fall off because of the lead compounds permeating and separating the grain bou ndary of the nickel alloy. Typical lead erosion causes the surface of the ground electrode to become thinner, and the tip of the electrode looks as if it has been chipped.

• SCOOTDAWG GY6, 8 Fill oil as shown using a funnel . Use high quality 10w40 or 5w30 synthetic oil. Capacity is approximately 0 .9 liter. Check the level using the dipstick. Do not screw the dipstick in while check ing the level. Do not overfill. Replace filler cap. Check for leaks. Take a short ride and check the level and for leaks again. www.ScootDawg.com

• SCOOTDAWG GY6, 25 Normal Life A worn spark plug not only wastes fuel but also strains the whole ignition system because the expanded gap (due to erosion) requires higher voltages. Normal rates of gap gr owth are as follows: Four Stroke Engines: 0.01~0.02 mm/1,000 km (0.00063~0.000126 inches/1,000 miles) Two Stroke Engines: 0.02~0.04 mm/1,000 km (0.000126~0.00252 inches/1,000 miles) Abnormal Erosion Abnormal electrode erosion is caused by the effects of corrosion, oxidation and reaction with lead - all resulting in abnormal gap growth. Melting Melting is caused by overheating. Mostly, the electrode surface is

• SCOOTDAWG GY6, 9 How to Chang e Gear Oil Tools you will need 1. 10 mm wrench 2. Pistol grip oil can 3. 75w90 gear oil 110cc (3.7 oz.) 4. Measuring cup. Do the following while the scooter is warmed (not hot). Measure 110cc (3.7 oz) of gear oil into a measuring cup. Pour the oil into the pist ol grip oil gun. Spread a towel under the drain plug and place measuring cup under drain screw. Remove the drain screw and fill screw and let oil flow out into the measuring cup. Removing the fill screw at this time helps the oil drain more

• SCOOTDAWG GY6, 6 S tarting your Scooter T he left brake lever must be held in to start the scooter . Some scooters also come with a safety switch built into the side kickstand and will not start with the side stand in the down position. Make sure the ignition switch is fully on and that the kill switch is in running position. Never leave your sc ooter running on the side stand. T he back wheel could turn and dump your scooter onto the ground. Never operate the electric ignition more than a few seconds at a time or you will burn the unit out. If you have made more than five repeated attemp

• 4 Gauges and Controls With so many body styles available, the location of your controls may differ and you may have some not included here but this will give a good generic indication of the gauges and cont rols found on a scooter. Your controls function as illustrated. Ignition Switch: On Position - Electrical Circui

• 11 Spark Plug NGK C7HSA or NGK CR7HSA The CR7HSA has a resistor to keep radios from buzzing due to the magneto/coil's electrical interference. The spark plug can be found behind this hatch. The spark plug should be cleaned every time it is inspected with a sma ll wire brush. The gap should also be checked. Always gap a new spark plug. Most

• SCOOTDAWG GY6, 15 Front (and Rear) Disc Brakes Locate the window to observe brake fluid level. Make sure master cylinder is level by placing the scooter on the center stand and center ing the handlebars. If the fluid level is low, inspect the brake pads f or excessive wear. If the pads are ok, you are probably leaking fluid. Replenish fluid with DOT 3 to proper level. Brake fluid WILL damage the finish on your scooter if you spill it. Unless you have the necessary mechanical skills, leave more complicat ed brake work to a professional.

• SCOOTDAWG GY6, 17 Maintenance Schedule This schedule may not match that which came with your scooter. It is very close to most of them. If you have warranty issues, you should follow the recommended schedule that came with your scooter.

• SCOOTDAWG GY6, 24 Deposits The accumulation of deposits on the firing end is influenced by oil leakage, fuel quality and the engine's operating duration. Lead Fouling Lead fouling usually appears as yellowish brown deposits on the insulator nose. This can not be detected by a resistance tester at room temperature. Lead compounds combine at different temperatures. Those formed at 370 - 470°C (700 - 790°F) having the greatest influence on lead resistance. Breakage Breakage is usually caused by ther mal expans

• SCOOTDAWG GY6, 10 Air Filter The air filter on the GY6 scooters is usually found in one of two places. One is on the side next to the kick start. Some models have it located under the seat. Some of the newer models may have it located somewhere else but it should be easy to find. Cleaning the air filter is important. A dirty filt er will cause poor performance and decreased fuel economy. L ocate the screws to the plastic cover and remove. The filter is most likely a foam filter which can be cleaned. Some models, such as United Motors, are equipped with filters that need to be r eplaced. Clean the filter

• 3 Pre - Delivery Inspection (P.D.I.) If you purchased y our scooter from a local dealer, they should have already performed a P.D.I. If you purchased it on the internet, you must perform your own. Not doing this can result in malfunction of your scooter and could re sult in serious injury or death . The follow ing is a typical P.D.I. checklist. *Chec

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