1967 p11 battery tray dimensions

DGT,
My 69 P11 is 3 3/4" X 6" outside to outside dimension.
Brazed on the Chrome-Moly frame. If yours is a 67 chances are you had magneto's which didn't need a battery to start. It may still have had the battery tray or tool tray??? as I'm not 100% sure.
I don't think they changed much in the frame during the P-11 series, again, I could be wrong.

Cheers,
Tom
 
CanukNortonNut said:
DGT,
My 69 P11 is 3 3/4" X 6" outside to outside dimension.
Brazed on the Chrome-Moly frame. If yours is a 67 chances are you had magneto's which didn't need a battery to start. It may still have had the battery tray or tool tray??? as I'm not 100% sure.
I don't think they changed much in the frame during the P-11 series, again, I could be wrong.

Cheers,
Tom
Click to expand...
Can't do dimensions as mine's long gone, but pretty sure P11's were points/coil from the word go, concentrics too...
The earlier N15 et al may have shared the earlier Atlas magneto options (and monoblocs), but not this series.
P11 frame changes (I think) centred around the change to dual seats, ignition switch position and the introduction of a chain guard.... Though I'm sure the more knowledgeable here will add if necessary..
 
Hi Thankyou to the people that responded ,
i have only recently purchased the bike from a deceased estate from someone that had a huge collection of motorcycles, the bike had previously been partially restored prior to the collector purchasing
the bike which had been sitting in a barn un touched for around 10 - 15 years when i purchased bike it was missing some parts the battery tray appeared to have been cut lengthways having the section that would protrude into the side cover missing the bike has dual coils with points & concentric carburettor's thanks .
 
David gone touring said:
Hi Thankyou to the people that responded ,
i have only recently purchased the bike from a deceased estate from someone that had a huge collection of motorcycles, the bike had previously been partially restored prior to the collector purchasing
the bike which had been sitting in a barn un touched for around 10 - 15 years when i purchased bike it was missing some parts the battery tray appeared to have been cut lengthways having the section that would protrude into the side cover missing the bike has dual coils with points & concentric carburettor's thanks .
Click to expand...
Without electric start and with modern batteries, there is no need for a battery as big as the original one was. I've considered making a similar modification to my own battery tray, since I am running a magneto and will run either a small battery or a capacitor to support the lighting system. As I am missing the side cover on that side anyway, cutting down the battery box will make it easier to fabricate a new, neater looking sidecover.
 
Not that it matters, but my 1967 P11 was a big Lucas magneto bike. If it had a battery tray it was cut out to take weight off. It was ridden around in circles on dirt before I got it in pieces around 1973.

P11's weren't worth squat when I got the basket case. Restoring it was the last thing on my mind. lol

Magneto is in a box now. I made something simple out of aluminum plate to hold the battery and work as a ground plane. I use a very small LiFePo4 battery primarily for the electronic ignition. Alternator recharges the battery via regulator and keeps the lights on. A dual coil is used. Seems to be very reliable if reliable is a word that belongs in a sentence with the word Norton. :)

Enjoy completing the restoration.
 


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