Honda CA77 Spark Plug
The Honda CA77 (305cc) takes an NGK CR6HSA spark plug, gapped to 0.028".
Key takeaways
- Spark plug: NGK CR6HSA.
- Iridium upgrade: NGK CR6HIX.
- Gap: 0.028 inch - set it before fitting.
- Covers 1985-1987.
Buy the plugs for your Honda CA77
The standard plug is the exact-fit replacement. The iridium version drops into the same spot, lasts longer, and fires a little stronger for a few dollars more. Many engines take more than one - check how many cylinders you have.
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Frequently asked
What spark plug does a Honda CA77 take?
The Honda CA77 takes an NGK CR6HSA spark plug, gapped to 0.028 inch. The iridium upgrade is the CR6HIX.
What is the spark plug gap for a Honda CA77?
The spark plug gap for the Honda CA77 is 0.028 inch. Check and set the gap before fitting a new plug - most powersports plugs need a small adjustment out of the box.
Can I use an iridium plug in a Honda CA77?
Yes. The CR6HIX is the iridium version of the CR6HSA - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Honda CA77
We cover the other consumables for your machine too - the exact fit, cited, in one place.