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1965 Honda CP77 — Ulsan Metro City, Rep. Korea
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Help Deciphering Spark Plug Type on 1962 model.

JC56, JC57, C70, C71, CB71, CE71, CS71, CSA71, CS72, CSA72, C75, C76, CA76, CS76, CSA76, CS77, CSA77, CB92, CA95
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Mucci
honda305.com Member
Posts: 35
Joined: Wed Mar 13, 2013 5:10 pm
Location: Chicago, IL

Help Deciphering Spark Plug Type on 1962 model.

Post by Mucci » Wed Jan 15, 2014 12:58 pm

Hi,

I'm having trouble finding the correct spark plug type for the bike I'm rebuilding.

The motor is a 1962 model. VIN: CA95E - 2101798

According to the manual:
"Plug type C10H - size 10x12.7" - this is the only plug type listed for a CA95 in this manual.

According to NGK:
"There are actually two totally different plug listings for your 1962 CA95 bike: D8HA #7112 (for 1966-1962) or R0161-10 #4778 (for 1962-1959)"

Can someone help clarify this? Thanks!
-Dave
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Hoosier Tom
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Joined: Fri Aug 15, 2008 10:34 pm
Location: Logansport, IN

Post by Hoosier Tom » Wed Jan 15, 2014 2:37 pm

Some of Early Hondas used a 10mm spark plug in their head design. Later they went to a 12mm. C= a 10mm plug base and D= a 12mm plug base. Measure your plug hole.

HT
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Mucci
honda305.com Member
Posts: 35
Joined: Wed Mar 13, 2013 5:10 pm
Location: Chicago, IL

Post by Mucci » Thu Jan 16, 2014 12:50 am

Hoosier Tom wrote:Some of Early Hondas used a 10mm spark plug in their head design. Later they went to a 12mm. C= a 10mm plug base and D= a 12mm plug base. Measure your plug hole.

HT
Great, thanks for the info.
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