Clutch Cable out of Left or Right Side of Frame Headset Tube
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Molto Verboso
Vespas 1964 GS160, 1965 SS180, 1977 V9A1T, 1983 PX150E
Joined: 16 Apr 2011
Posts: 1436
Location: Siam
Sat Jun 27, 2020 2:53 am quote
Facing forward over the frame, which is your preferred cable routing for the clutch cable out of the frame headset tube, the right side or the left side? Why?
Addicted
bare metal cafe racer
Joined: 01 Sep 2017
Posts: 807
Location: Aotearoa (New Zealand)
Sat Jun 27, 2020 3:32 am quote
Left. Because they are meant to. Robot says so.

Molto Verboso
Vespas 1964 GS160, 1965 SS180, 1977 V9A1T, 1983 PX150E
Joined: 16 Apr 2011
Posts: 1436
Location: Siam
Sat Jun 27, 2020 4:05 am quote
True, in the parts books it shows it always coming out the left side hole. However, I've read (here and other places) that the right side allows a smoother, more gradual curve into the headset and clutch lever. I'll count the votes, consider the reasons, and then decide.
Style Maven
74 50s x3 78 P200 84 Cosa PK50XL2 58 AllState 68 Sprint 80 50special '66(?) Super125
Joined: 22 Nov 2010
Posts: 7761
Location: seattle/athens
Sat Jun 27, 2020 5:38 am quote
Rebel
I go down the right side whenever I can for the reasons you just described, I vote right side
Molto Verboso
Vespas 1964 GS160, 1965 SS180, 1977 V9A1T, 1983 PX150E
Joined: 16 Apr 2011
Posts: 1436
Location: Siam
Sat Jun 27, 2020 6:36 am quote
Re: Rebel
V oodoo wrote:
I go down the right side whenever I can for the reasons you just described, I vote right side
I have also heard that the electrical harness and throttle cable must/should go behind the lock barrel. The Scooter West dudes in the video also pointed that out. What is the issue with putting the electrical harness and throttle cable in front of the lock? Is it possible that the cable could get wedged between the lock barrel and the slot in the fork?

Do you put the clutch cable behind the lock along with the harness and throttle cable or in front where there is more room?

Last edited by nomadinsiam on Sat Jun 27, 2020 6:40 am; edited 1 time in total
Molto Verboso
Joined: 24 Jan 2008
Posts: 1962
Location: Santa Margarita,Ca.
Sat Jun 27, 2020 6:39 am quote
Actually radius of bend will be bigger coming from the left. Try it. See it.
Molto Verboso
Vespas 1964 GS160, 1965 SS180, 1977 V9A1T, 1983 PX150E
Joined: 16 Apr 2011
Posts: 1436
Location: Siam
Sat Jun 27, 2020 6:40 am quote
Isn't it a tighter radius though?
Molto Verboso
Vespas 1964 GS160, 1965 SS180, 1977 V9A1T, 1983 PX150E
Joined: 16 Apr 2011
Posts: 1436
Location: Siam
Sat Jun 27, 2020 6:53 am quote
scootermarc69 wrote:
Actually radius of bend will be bigger coming from the left. Try it. See it.
Is this a negative thing or a positive thing?
Molto Verboso
Joined: 24 Jan 2008
Posts: 1962
Location: Santa Margarita,Ca.
Sat Jun 27, 2020 7:30 am quote
From the left, bend begins in headset "neck" giving something approximating 5" radius.

From the right, bend can't start until close to the height of the top of the steering column, giving a 2" radius.

Try feeding the cable housing down from the handle just 8" or so into the frame on either side. Compare the bends. Obey your Robot.
Molto Verboso
Vespas 1964 GS160, 1965 SS180, 1977 V9A1T, 1983 PX150E
Joined: 16 Apr 2011
Posts: 1436
Location: Siam
Sat Jun 27, 2020 5:11 pm quote
Ok, thanks. It makes sense.
Hooked
P Series / Li / LML / Motobi
Joined: 24 Jun 2019
Posts: 378
Location: UK - 3rd Rock From the Sun
Sun Jun 28, 2020 8:26 am quote
i put gear cables on the left hand side of the headset

throttle and gear on the right hand side.
Molto Verboso
Vespas 1964 GS160, 1965 SS180, 1977 V9A1T, 1983 PX150E
Joined: 16 Apr 2011
Posts: 1436
Location: Siam
Sun Jun 28, 2020 11:59 pm quote
Gravelrash2004 wrote:
i put gear cables on the left hand side of the headset

throttle and gear on the right hand side.
Could you clarify that? I'm not sure I understand.
Hooked
'63 VBB2T - '76 Sprint V. - '86 PX200E - '18 300 GTS Super Notte
Joined: 26 Apr 2019
Posts: 390
Location: Belgium
Mon Jun 29, 2020 12:47 am quote
This is my order:
From left to right:
Left hole:
Gear cables
Clutch

Right hole:
Throttle
Wire loom (picture doesn't show it, but inside it goes between throttle cable and lock).

WhatsApp Image 2020-05-26 at 19.20.26.jpeg

Moderator
P200 PX150
Joined: 28 May 2008
Posts: 4266
Location: Hustletown, TX
Mon Jun 29, 2020 7:50 am quote
Just had this chat with Greasy recently...

I went with the same as above
L. ----->>> R
Gear, gear, clutch. Loom, throttle
Hooked
58 VB1T, 68 SS180, 81 100 Sport
Joined: 06 May 2019
Posts: 423
Location: Long Beach, CA
Tue Jun 30, 2020 6:06 pm quote
I'm facing the same dillema with smallframe '81 100 Sport. Is the positioning of the cables and/or harness different than suggested above for the Large frames?

The photo below is from when I tore down my 100 Sport, but I cant tell if the harness comes up in front-OR-behind the steering lock.

Also need confirmation that the throttle should be in the far front, as shown; or if it should be just behind the steering lock? As suggested for the LF. I cant confirm that what I had when torn down was correct per factory specs.

Thanks!

IMG_7886.jpg
As it was when I tore it down many moons ago...

Molto Verboso
Vespas 1964 GS160, 1965 SS180, 1977 V9A1T, 1983 PX150E
Joined: 16 Apr 2011
Posts: 1436
Location: Siam
Tue Jun 30, 2020 7:16 pm quote
I can't remember what I did on my small frame headset wiring and cables. I'm afraid to touch the headset on that thing now because I vividly recall the pain and frustration of getting that headset in place and working. Even fiddling with the headlight is a nightmare. I love riding it, but it's the only bike I have that I truly dislike working on.
Hooked
58 VB1T, 68 SS180, 81 100 Sport
Joined: 06 May 2019
Posts: 423
Location: Long Beach, CA
Tue Jun 30, 2020 7:51 pm quote
nomadinsiam wrote:
I can't remember what I did on my small frame headset wiring and cables. I'm afraid to touch the headset on that thing now because I vividly recall the pain and frustration of getting that headset in place and working. Even fiddling with the headlight is a nightmare. I love riding it, but it's the only bike I have that I truly dislike working on.
I totally understand that feeling. Everything is just...small.... HA
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