Tech Tips for ATVs
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Drive Chain Adjustment
Replace Spark Plug
Carb and Air/Fuel Adjustment
CDI Adjustment for E-ton ATVs
Drive Chain Adjustment
The drive chain will stretch with use and will require periodic adjustments. To check the chain tension, remove the chain guard and measure the slack. The amount of slack in the chain should not exceed 10-20mm or ¼” – ½”.
Inspect the drive and axle sprockets for worn, damaged or broken teeth. Replace as needed. Inspect the chain links for damaged, worn or loose rivets. Repair or replace as needed.
Chain Slack Adjustment
Loosen the axle position lock bolts slightly and turn the chain adjuster nut to take up the excess slack in the chain. Once the chain has been adjusted to the proper tension retighten the axle position locking bolt.
The chain should be kept well lubricated to prevent excess wear and premature failure. We recommend that you lubricate the chain every 15 hours of operation, or more frequently if needed, with a high qualitychain lubricant.
Two cycle engines burn a mixture of fuel and oil. When the mixture contains too much oil the spark plug can become fouled causing a weak spark condition that will drastically degrade the engine performance. When the plug is fouled heavily a no spark condition can occur the will prevent the engine from running at all.
You should replace your spark plug at the beginning of each riding season. To change the spark plug do the following.
- Stop the engine and wait for it to cool, 30-60 min. (Never work on a hot engine because the heat can cause sever burning.)
- Locate the spark plug at the front of the engine.
- Remove the Spark plug lead wire by gently pulling on the plug wires boot. Do not pull on the wire itself as this could cause damage to the wire.
- Remove the old spark plug using the supplied plug wrench and screwdriver by turning the plug counter clockwise.
- Set the electro gap on the new plug to 0.6m-0.7mm / 0.023”.
- Insert the new plug by hand and tighten finger tight by turning the plug in a clockwise direction. Use caution not to cross thread the plug in the head.
- Use the plug wrench to tighten the plug another ¼ to ½ turn. Caution: over tightening the plug can cause the thread in the
engine head to be striped, under tightening the plug can cause compression lose and possible cylinder head failure.
- Reinstall the plug wire by pressing the wire boot over the plug until it is completely seated on the spark plug.