Yamaha YXR70FDUX Rhino Ducks Unlimited Spark Plug

GarageDex's powersports data shows the Yamaha YXR70FDUX Rhino Ducks Unlimited uses a CPR7EA-9 spark plug, gapped to 0.036", or upgrade to the CPR7EAIX-9 iridium plug.

Spark plug fitment by year

YearsStandard plugIridium upgradeGap
2008CPR7EA-9CPR7EAIX-90.036"

700cc atv. Match the exact part code, thread reach, and heat range. The iridium column is the same-fit upgrade for a longer service life.

Verified fitment
Cross-checked against retailer application data with Yuasa OEM references. Reviewed by the GarageDex editorial team - how we verify →

Spark plugs for your Yamaha YXR70FDUX Rhino Ducks Unlimited

The recommended plug is a CPR7EA-9. Match that code - spark plugs are thread-, reach-, and heat-range-specific, so the part number matters more than the brand. Worth considering: the CPR7EAIX-9 iridium upgrade - it fits the same port, fires cleaner, and lasts far longer between changes.

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Frequently asked

What spark plug does a Yamaha YXR70FDUX Rhino Ducks Unlimited take?

GarageDex's powersports data shows the Yamaha YXR70FDUX Rhino Ducks Unlimited uses a CPR7EA-9 spark plug, gapped to 0.036", or upgrade to the CPR7EAIX-9 iridium plug.

What is the spark plug gap on a Yamaha YXR70FDUX Rhino Ducks Unlimited?

The Yamaha YXR70FDUX Rhino Ducks Unlimited spark plug gap is 0.036". Set the gap with a feeler gauge before install - iridium plugs come pre-gapped but always verify, since a wrong gap causes misfires and hard starts.

Are iridium spark plugs worth it on a Yamaha YXR70FDUX Rhino Ducks Unlimited?

The CPR7EAIX-9 is the iridium upgrade for the standard CPR7EA-9. It fits the same port and heat range, fires more reliably, and lasts far longer between changes - a worthwhile swap for most riders, though the standard plug is perfectly fine if you change plugs on schedule.

How often should I change the spark plugs on a atv?

Standard plugs typically want replacing every 8,000-12,000 miles (or per your service manual); iridium plugs go much longer. Fouled or worn plugs cause hard starts, misfires, and poor fuel economy - a cheap part that punches above its weight.

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