Unofficial Royal Enfield Community Forum

Royal Enfield Motorcycles => Bullet with the UCE engine => Topic started by: t120rbullet on March 08, 2009, 06:11:51 pm

Title: Spark Plug for G5
Post by: t120rbullet on March 08, 2009, 06:11:51 pm

The owners manual says it takes a Mico (Indian Bosch) WR7 DDC4.
What's that translate into that's available on this side of the pond?
Can't find any reference to it in any of my cross reference charts or on-line.
CJ

Title: Re: Spark Plug for G5
Post by: Royal.Oilfield on March 08, 2009, 07:09:23 pm

Bosch WR 7 DDC 4

W   M14x1,25

R   With surpressor resistor

7   Heat range code

D   Thread length spark position

D   2 Electrode version

C   Electrode material Copper

4    Extended insulator nose

Title: Re: Spark Plug for G5
Post by: Vince on March 08, 2009, 08:56:39 pm

     NGK BPR6ES

Title: Re: Spark Plug for G5
Post by: t120rbullet on March 08, 2009, 09:45:26 pm

Thanks Gent's,
Here's some cross references off that NGK #
NGK            BPR6ES      
Autolite           63                     
Autolite            4263                  
Bosch            Obsolete Plug,  WR7DC                    
Champion     RN9YC               
Denso        W20EPR-U             
Denso          W20EXR-U
Denso      Iridium plug   IW20                   
Splitfire         SF426C             
Splitfire         SF6C
Splitfire      Platinum spark plug   TP6C
Still can't find a thing crossing that Bosch (Mico) #.