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#521590 - 01/05/14 8:16 pm Boyer ignition plate attached to cam removal ?tion  
Joined: Mar 2013
Posts: 89
Chris R Offline
BritBike Forum member
Chris R  Offline
BritBike Forum member

Joined: Mar 2013
Posts: 89
California
I am wanting to my cam cover on my '70 T120R. The bike came with a Boyer ignition pointless plate. I removed the pickup plate then pulled the center allen blot out that holds the ROTATING magnet plate to the end of the exhaust cam. How do I get the plate off of the tapered end of the cam safely? I tried running a 5/16" fine thread bolt into the threaded center of the Boyer magnet plate to try to push it off of the cam but I didn't want to crank on the bolt too much and screw something up. ALSO, is the piece KEYED to the cam or not? Thanks for any help! Heck....It's been in the high 60's to low 70's here on the Left coast. Getting excited to get the 650 back on the road! Chris


1970 T120R Bonneville
1967 T20SM Tiger Cub
1976 Honda 550F 4 cylinder
1955 VW Bug European Delivery
1939 Willys Pickup
2007 Dodge, Cummins 5.9 4X4 6spd
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#521595 - 01/05/14 8:50 pm Re: Boyer ignition plate attached to cam removal ?tion [Re: Chris R]  
Joined: Sep 2013
Posts: 1,581
quinten Online content
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quinten  Online Content
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Joined: Sep 2013
Posts: 1,581
Pacific northwest

#521602 - 01/05/14 9:42 pm Re: Boyer ignition plate attached to cam removal ?tion [Re: Chris R]  
Joined: Oct 2008
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DavidP Offline
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DavidP  Offline

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Joined: Oct 2008
Posts: 4,860
Gnashville
Note the rotor's position so you can put it back in the same place. Find a bolt like the one used to hold the rotor in place, but a bit longer. Screw that into the rotor. Give the end of the bolt couple of sharp raps with a hammer, and the rotor will come loose.


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
#521612 - 01/05/14 11:49 pm Re: Boyer ignition plate attached to cam removal ?tion [Re: Chris R]  
Joined: Mar 2013
Posts: 89
Chris R Offline
BritBike Forum member
Chris R  Offline
BritBike Forum member

Joined: Mar 2013
Posts: 89
California
quinten, DavidP, Thanks for the tips. The youtube is a good instructional. GET the BIG Torch out!


1970 T120R Bonneville
1967 T20SM Tiger Cub
1976 Honda 550F 4 cylinder
1955 VW Bug European Delivery
1939 Willys Pickup
2007 Dodge, Cummins 5.9 4X4 6spd
#521620 - 01/06/14 12:57 am Re: Boyer ignition plate attached to cam removal ?tion [Re: Chris R]  
Joined: Sep 2013
Posts: 1,581
quinten Online content
BritBike Forum member
quinten  Online Content
BritBike Forum member

Joined: Sep 2013
Posts: 1,581
Pacific northwest
DaveP's method should be tried first ,
it works for most and is quicker ,
a sharp small rap usually Frees the taper
... but if a P.O. foolishly added locktite ,
you need a back-up plan


Moderated by  John Healy 


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