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Spark Plug Question
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AZrider Offline
Break-In Period

USA
Posts: 21
Joined: Jun 2013
Post: #1
Spark Plug Question
Just curious. There is a little piece of plastic at the base of the spark plugs. Why? And, do they have to be removed to replace the spark plugs? Maybe such is just new to me.
06-16-2013 07:07 PM
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meowguy Offline
Running Like a Top

Saco, ME USA
Posts: 363
Joined: Jun 2013
Post: #2
RE: Spark Plug Question
(06-16-2013 07:07 PM)AZrider Wrote:  Just curious. There is a little piece of plastic at the base of the spark plugs. Why? And, do they have to be removed to replace the spark plugs? Maybe such is just new to me.

You are talking about the gray plastic collar at the base of the black connector? That is part of the connector and comes off with it.

If you would put your head in a helmet it wouldn't be empty.
06-17-2013 04:59 AM
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The ferret Offline
Forum Moderator

Ohio
Posts: 31,282
Joined: Apr 2013
Post: #3
RE: Spark Plug Question
If you are talking about the finned pieces bolted to the head they are there to direct cooling air around the spark plugs for epa purposes.
06-17-2013 05:04 AM
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AZrider Offline
Break-In Period

USA
Posts: 21
Joined: Jun 2013
Post: #4
RE: Spark Plug Question
I was talking about the piece bolted down. Does that have to be removed to remove the spark plug? Surely not. Just never seen such before. Just curious as I said.
06-17-2013 11:02 AM
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The ferret Offline
Forum Moderator

Ohio
Posts: 31,282
Joined: Apr 2013
Post: #5
RE: Spark Plug Question
I dont think they need to be removed when changing plugs, although I dont have a shop manual to verify that. Ive never seen anything like them before either, but I do know getting this air/ oil cooled bike to pass epa regs in Europe/U.S. posed some interesting issues for Honda which they overcame using several ingenious tricks.
06-17-2013 11:15 AM
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meowguy Offline
Running Like a Top

Saco, ME USA
Posts: 363
Joined: Jun 2013
Post: #6
RE: Spark Plug Question
(06-17-2013 11:02 AM)AZrider Wrote:  I was talking about the piece bolted down. Does that have to be removed to remove the spark plug? Surely not. Just never seen such before. Just curious as I said.

The fins are not removed. The plug wrench fits inside those. It's a 14mm socket.

If you would put your head in a helmet it wouldn't be empty.
06-17-2013 11:37 AM
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AZrider Offline
Break-In Period

USA
Posts: 21
Joined: Jun 2013
Post: #7
RE: Spark Plug Question
Thanks for the information.
06-17-2013 11:51 AM
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