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  #1  
Old 04-03-2011, 07:42 PM
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Default Spark plug change

I am attempting to change the plug on my '02 400ex. The new plug is 13/16 but the socket I have won't fit the slot. Do I need a special wrench for this?
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  #2  
Old 04-03-2011, 07:51 PM
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Use an 18mm deep socket. I just found out myself!
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Old 04-03-2011, 08:02 PM
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Thank you, I'll give it a try.
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Old 04-07-2011, 01:29 AM
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You may need the socket that came in the tool kit. Honda part number 89217-KB7-940 @ $11.75
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  #5  
Old 04-07-2011, 01:31 AM
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i agree with Here 2 help because i had to get the oem socket
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Old 04-16-2011, 01:46 PM
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Not sure if will work for you but on my 250r I can easily just use a 13/16 wrench.
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Old 04-16-2011, 02:44 PM
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Quote: Originally Posted by Here 2 help View Post
You may need the socket that came in the tool kit. Honda part number 89217-KB7-940 @ $11.75
He is right!!!!! Its the only tool I have that reaches down there properly
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  #8  
Old 04-17-2011, 01:47 PM
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NO WAY Hillbilly Hayes - the 250R uses a BR8ES (13/16) hex - the 400EX uses a DPR8Z (18mm) hex. The 250R plug is right out in the open (could use a Crescent wrench. The 400EX is down in a hole. Get the OEM wrench!
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