User`s manual

- 26 -

Change gear oil（Fig 25）

We suggest oil octane number:

SAE 80W/90（you can use antifreezing oil in very cold area）

Oil capacity

Changing capacity: 0.1L

• Place the vehicle by the main stand.

• Screw out the immersion bolt 1 and oil-drain bolt 2.

• NOTICE ： When draining the oil, the engine needs a certain

temperature,

use the main stand to support the motor, make sure all the oil is drained.

• Clean the drain bolt and then re-install it.

• Inject oil into the hole of the immersion bolt slowly till the oil spill over.

• Fix the immersion bolt and screw it tight.

Fig25

- 27 -

Spark plug（Fig26）

Spark plug specification

Standard： C7HSA(NGK) or A7T、A7RT

• Disconnect the joint of the spark plug cover and

take apart the spark plug with special spanner.

• Check if there is any burnning ash or accumulated dirt on electrode or

porcelain head, if it singed badly, replace the spark plug, Clean the ash or

dirt with plug cleanser or a brush.

• Normally the gap between side electrode (1) and

Center electrode (2) is 0.6-0.7 mm.

• Don’t use other kind of spark plug with different specification.

Fuse replacement

The rated electric current of the fuse is 15 A. If the fuse often burns down, it indicates the

short circuit or overload in the electric system. Ask the serviceman to repair it, and never

use the brass wires to replace the fuse.

(0.6～0.7)mm

Fig26