2006 Polaris ATV Trail Blazer Owners Manual, Page 93Get this manual
MAINTENANCE AND LUBRICATION Spark Plugs
Always use the spark plugs recommended for your ATVRefer to the specifications section beginning on page 103 for the recommended spark plug type and gap
CAUTION
Using non-recommended spark plugs can result in serious engine damageAlways use Polaris-recommended spark plugs
Spark plug condition is indicative of engine operationThe spark plug firing end condition should be read after the engine has been warmed up and the vehicle has been driven at higher speedsImmediately check the spark plug for correct color
WARNING