Faster Turn Throttle

Paul Bryant said:
Steve, note in that thread that that particular part number was for 7/8" bars.
Click to expand...

Excrement!!!!
Back to the web site and order I then go!
Gratitude for pointing out my error, Paul!

Edit:
Tried to cancel order - shall see if I got it out in time.
Pissed that neither the Amazon or Motion Pro depict the bar diameter!
I went through this awhile ago finding nothing in 1 inch.
When this post came up I blindly jumped - apparently into the poop.
Learning lesson # 276,895.
 
Last edited:
I’ll keep looking for a low cost option, motion pro must make a 1” ... just need to find the part number.
 
With out going down to the workshop and pulling my Twist grip assembly apart, does any know if there is room inside the switch block/twist grip housing to accept a larger diameter drum ?
One thing that would have to be taken into account is that the two cables are positioned to run straight onto the stock drum, a larger drum would require the cables being moved outwards to remain as a straight feed to the drum.

I might just have to pull it all apart, draw it up and see what can be done with it.
For me personally, I would want to retain the stock "look".
 
1olbull said:
Reckon ya missed this one, Chris. We are wanting a quick twist throttle for a 1 inch bar.
Click to expand...
Nop - just poorly explained. The thing is many Harley cams are , oddly, faster than stock triumph.
And as the Triumph twist is pretty fast to start with - a bit more cam makes a difference. I'm off to find a vernier gauge. and the parts bin.
 
Measured my stock grip - 30,4mm OD at the cam = 95,5mm circum = 23,875mm travel in 90°

Cheapo Harley plastic tube 34mm OD = 106.8mm circum = 26.7 mm in 90°

Or put another way the Cheepo is 12% faster.

The CNC tubes I have are 33,3mm OD.

The Avon I can't remember - but a bit faster than stock too.

Point was that for a set of Rizoma you can try a shed load of cheepies.
 
How fast do you need it to be? - Done in metal the nipple retention barbs can be finer. 20% odd should be no issue at all. And that would be fast. It's a 2300cc 4 stroke not a binary off road 2 stroke.

Yes - it is not the first time I have mooched over this. I would like a variable cam tbh Slower low down and faster higher up.
 
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