SOHC.co.uk Forums > CB500/550

rewire - what size/spec of wire

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Ewan 500 K1:
thanks for those hints and tips, this form is just invaluable for grtting pointed in the right direction. Spent all day looking at the wiring and working out what I need to get ... what a state the old loom was in. So what I found was :

Headlight and charging circuits: cable OD = 2.5mm, core wires OD = 1.5mm..... which means the cross sectional area is 1.8mm sqaure , ie near enough 2mm. The core was made of 50 single strands of between 0.1 & 0.2 mm diameter

All the other wiring: cable OD = 2.3mm, core wires OD = 1mm.. ...which means it has a cross sectional area of 0.8mm sqaure, ie near enough 1mm

So plan is to order dome standard PVC sheathed 2mm wire for charging and headlight circuit and 1mm wire for the rest

Lobo:
Blimey Ewan.... been doing your homework!  From this point on I suspect you've just installed yourself as resident guru on motorcycle wiring!
Good luck with the loom, be sure to treat yourself to quality bullets / crimping tool (ie not the cheapo stuff from Halfords etc)
Lobo

Ewan 500 K1:

--- Quote from: Lobo on July 28, 2013, 01:14:05 AM ---Blimey Ewan.... been doing your homework!  From this point on I suspect you've just installed yourself as resident guru on motorcycle wiring!
Good luck with the loom, be sure to treat yourself to quality bullets / crimping tool (ie not the cheapo stuff from Halfords etc)
Lobo

--- End quote ---
.. another excuse for a day in the shed ignoring all other responsibilities. ;) Got a load of bullets a while ago but they dont seem to be ideal as the existing male bullets on various components dont sit in the female sides of the new ones all that snuggly.

matthewmosse:
I often find the male bullets on old components appear a bit loose on new female fittings, I just give the offending female fitting a gentle squeeze with some pliers which proves to do the job. I use vwp sourced jap bullet connectors with seperate insulation btw. I prefer to solder the connections once made as I have a cheaper type crimping tool - my autosparks loom made with lucas bullet connectors - properly crimped with the bees knees tool costing £80 for the tool still has lost a number of connectors over the years but my slodered connectors have lasted better.

mickwinf:
Hondas of this age used a slightly smaller bullet than other jap bikes so don't fit very well. Most new ones are the bigger size so I replace both male and female together.

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