If the air filter is clogged with dust, dirt, or debris, it will effect the
performance of the engine. The air filter should be replaced after
every 30 hours of operation. A torn or ripped air filter should be
replaced immediately. Do NOT operate this go-kart with a torn or
ripped air filter.
To remove the air filter:
1. Park the go-kart on a level surface and engage the parking brake.
Do NOT attempt to change/clean the air filter while the engine is
on.
2. Locate the air filter housing mounted above the engine.
3. Standing on the driver’s side of the go-kart, locate the five (5)
screws on the side of the air filter housing. Using a Phillips Head
screw driver, remove these five (5) screws.
4. Using the same screw driver, remove the three (3) screws and
washers holding the air filter in place. Be careful not to drop
screws or washers into engine components.
5. Clean the air filter cover with warm water and allow to dry before
re-assembling the components. Do NOT attempt to clean the
filter.
6. Install the new air filter and tighten the three screws.
7. Install the air filter cover and tighten the five screws. Do NOT
over tighten the screws, doing so may crack the plastic.
Replacing The Spark Plug
1. Clean the carbon build-up from around the spark plug to prevent
carbon from falling into the cylinder when the spark plug is
removed.
2. The spark plug is located above the battery housing, directly
behind the passenger’s seat.
3. Remove the spark plug wire from the spark plug housing.
4. Remove the spark plug from the kart.
5. Clean the carbon build-up on the spark plug with a steel brush.
6. The spark plug gap should be between 0.06 mm and 0.07mm
wide.
7. If a new spark plug is needed, please note the below number when
ordering a new one.
WARNING: If the spark plug appears to have too
much carbon build-up, or excessive wear, it should be replaced. The
replacement spark plug has the following number: NGK C7HSA
Adjusting The Chain
To adjust the chain, loosen the two jam nuts located below the
tubular framing, directly above the chain cover. Be sure to loosen the
bottom nut first. Turn the adjustment nut (above the tubular fram-
ing) clockwise to remove deflection in the chain. Leave 10-20mm of
deflection in the chain. Tighten the jam nuts starting with the one on
top. Be sure to tighten to 40 ft/lbs.
Lubricating The Chain
The CrossFire 150 is equipped with an O-ring sealed drive chain. Do
NOT wash the chain with a high pressure washer, gasoline, or
solvents. Clean the chain with hot, soapy water and a soft bristled
nylon brush. To properly lubricate the chain, clean as described, then
10-20 mm deflection
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