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4. Maintenance and Repairs
NOTE: Tires are subject to normal wear and tear. It is the
responsibility of the user to periodically inspect the tires for excess
wear.
Check out the Razor website: www.razor.com for updates on the latest
maintenance, repair and trouble-shooting procedures.
ADJUSTING THE CHAIN OR BELT TENSION
NOTE: Turn power switch off before maintenance procedures.
E300 chain: If the rear wheel makes loud noises or grinding sounds
during the power-on condition, this indicates the chain is probably
making the noise. This can be caused by the chain being adjusted too
tight during assembly or if the chain becomes dry from lack of lube or
loose from normal wear-and-tear.
If the chain is too tight, or too loose (keeps coming off), then it needs to
be readjusted. If the chain is dry, apply a lube such as WD-40 to the
chain.
To adjust the chain:
1. Loosen the axle (please refer to the illustrations for the E200/E100
belt drive on the next page as the procedure is essentially the same).
2. Loosen the brake anchor (this is attached with the small bolt in the
long slot on the left side of the rear fork)
3. Tighten the tension adjusters on the axle 1/8 to 1/4 turn to tension the
chain. Tighten both adjusters the exact same amount to maintain the
wheel alignment.
Note: this system of adjusters is common to motorcycles and BMX
bicycles so I your are not familiar with it, if you know anyone who is,
they would not have a problem adjusting it for you.
Chain tension: The chain should be "just not-quite snug" in other
words, not taut or sloppy loose. BE CAREFUL NOT TO ADJUST TOO
TIGHT. The tensioning system can easily impart too much tension and
snap the chain or bend the motor output shaft. Turn the adjusters 1/8 to
1/4 turn at a time and recheck the tension each time.
4. Once the tension is good, tighten the axle and brake anchor bolt. Test
run the scooter. Readjust as needed.