LB05EZ Resistor Sparkplug Cap for Ski-Doo Citation 250 300 1978-1979

Resistor Sparkplug Cap for Ski-Doo Citation 250 & 300

This resistor sparkplug cap (LB05EZ) is a replacement ignition component that connects the spark plug to the ignition lead and suppresses radio frequency interference on 1978-1979 Ski-Doo Citation 250 and 300 snowmobiles.

Overview

This resistor sparkplug cap offers a direct-fit replacement for worn or damaged original caps on Ski-Doo Citation 250 and 300 machines from 1978-1979. The resistor sparkplug cap delivers reliable spark transfer while reducing electrical noise that can interfere with nearby electronics. It suits riders performing routine ignition maintenance on vintage Ski-Doo Citation snowmobiles.

Built For Performance

• Integrated resistor element suppresses radio frequency interference
• LB05EZ reference matches the cap specified for these models
• Boot seals against moisture and debris around the spark plug terminal
• Snap-on connection grips the spark plug terminal securely
• Rubber construction resists cracking from heat and vibration

Fits These Machines

• for Ski-Doo Citation 250, 1978-1979
• for Ski-Doo Citation 300, 1978-1979

On-The-Job Use

• Routine ignition tune-ups on vintage Citation sleds
• Replacing a cracked or corroded cap on the trailside
• Reducing ignition noise that disrupts onboard electronics
• Restoring consistent spark on older two-stroke engines

Specs At A Glance

Good To Know

Q: Do I need to change the spark plug too? A: It is good practice to inspect the plug when replacing the cap, since a worn plug and a failing cap often cause similar symptoms. Replace the plug if electrodes are fouled or the gap is out of specification.

Q: Will this cap fit both the 250 and 300 Citation? A: It is listed for 1978-1979 Ski-Doo Citation 250 and 300 models, which share this cap reference. Confirm the numbers on your existing cap before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.