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Teds new project a CB500 K1 mostly version 0.5 circa 1972.
Oddjob:
I've been looking at pics in the workshop manual Ted, figure 245 shows cable routing for the 500, shows both the clutch AND the throttle cables passing through the speedo bracket, throttle cables then go to the LEFT of the headstock and pass through the coil opening, figure 272 shows them there along with what looks to be the clutch doing the same thing but in reverse. The throttle cables appear to be above the tank mount but I would have thought below before seeing that pic, however they could have moved before the pic was taken and not spotted, I seem to recall putting the tank on and making sure they went under the rubber.
Figure 299 shows the clutch cable passing through 1 & 2 inlet manifold bracket, as does fig 86 and fig 56. In fig 310 you can clearly see both throttle cables to the LEFT of the headstock
McCabe-Thiele (Ted):
Hi Ken I have seen that throttle cable route through the instrument bracket to the left side of the frame - even worse imho as it's a tight turn up from the throttle grip down into the instruments then back throught the coils to the carb connection on the right side of the frame.
The carb shaft mechanism sits to the riight of centre so atm I prefer my route even if its wrong.
Thanks for the info on the clutch cable being 42" mine is aftermarket - I will see what the clutch cable looks like if not routed through the coil hole. Most of the manual photos seem to show it going through the coil hole area - that's how mine was routed but not through the instrument bracket.
Advantage of the clutch cable going through the coil hole is it drops at a nice non binding looking angle between the carbs to the left housing.
Oh what fun. ;D ;D ;D
Oddjob:
There's something wrong Ted IF the throttle cables are having tight turns when routed correctly. They should exit the right hand switchgear pointing almost straight along the bars, not pointing forward so much. This then points them toward the hole in the speedo bracket. Are they like that?
McCabe-Thiele (Ted):
--- Quote from: Oddjob on October 26, 2023, 05:32:01 PM ---There's something wrong Ted IF the throttle cables are having tight turns when routed correctly. They should exit the right hand switchgear pointing almost straight along the bars, not pointing forward so much. This then points them toward the hole in the speedo bracket. Are they like that?
--- End quote ---
Exactly that is why I think the manual routes are wrong for the Uk bars as the throttle grip is not above clocks tops but almost level with them. On the US bars they would drop down nicely between the clocks.
On my bike when the throttle cables exit the bars the fixed right angle part of the cable ends means they are pointing not dead horizontaly but very slightly downwards exiting approximately 3" below the centre line of the switch clamps. The instrument bracket is about an inch and a half below the centre line of the bars but is also angled. The path between the instrument bracket hole and the throttle grip body is not a straight line as the rev counter is in the way.
For the cables to then go upwards they have somehow get past the front of the rev counter as there is no space at the rear of the rev counter due to the brake hose etc. This route is not viable for me - not to mention crossing through the coil gap as well.
You can see there are no tight bends with my present routing plus it should not cause issues when turning left or right as there is just the one gentle swoop/curve of cable.
throttle route 1 by Macabe Thiele, on Flickr
Nurse Julie:
There is no routing plan in the handbook for UK models Ted. I'll take a photo of my UK K1 routing for you tomorrow.
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