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Author Topic: Ton up SR250 - a cafe racer by the numbers: 100mph, 100kg, 30hp  (Read 27149 times)

Offline pidjones

  • Posts: 610
Re: Ton up SR250 - a cafe racer by the numbers: 100mph, 100kg, 30hp
« Reply #220 on: Dec 28, 2018, 21:13:46 »
Nice setup.

The brake lever should be set up one notch lower, or you pull it over 90 degrees.
Plus, you'll get a bit more adjustment room on your cable.
"Love 'em all.... Let God sort 'em out!"

Offline JadusMotorcycleParts

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Re: Ton up SR250 - a cafe racer by the numbers: 100mph, 100kg, 30hp
« Reply #221 on: Jan 07, 2019, 07:03:39 »
Thanks all!

Nice setup.

The brake lever should be set up one notch lower, or you pull it over 90 degrees.

Great point!  Will do when setting up in the final assembly.

Offline JadusMotorcycleParts

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Re: Ton up SR250 - a cafe racer by the numbers: 100mph, 100kg, 30hp
« Reply #222 on: Jan 07, 2019, 07:07:46 »
Somewhat but not entirely related...  Have spent a lot of time the last couple of weeks filming my wheel building process and editing it together as an instructional video.  Now that wee project is complete work will continue with the this build!

To build wheels I came up with this taping method.  Perhaps others do this too?  Anyway, I find it makes a headache of a process into a pleasantly therapeutic one. 



I also wrote a blog post about spoked wheels.  They are rad!  https://www.jadusmotorcycleparts.com/single-post/2018/12/30/Spoked-Motorcycle-Wheels---The-Best-Motorcycle-Wheels

Offline JadusMotorcycleParts

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Re: Ton up SR250 - a cafe racer by the numbers: 100mph, 100kg, 30hp
« Reply #223 on: Jan 10, 2019, 13:53:54 »
Both sets of fork springs finally arrived this week and both fit! 

Now I can work out the spring rates of both sets and draw up some spacers to make them work.

I am however having second thoughts.  After seeing these, I am actually thinking it might be better to use cut stock SR250 springs, calculate the necessary length for the necessary/desired rate, then make some spacers for that and use the spring end adapter I designed.  Then I can get testing the performance of these and if it's good, it could be something to offer customers - a much cheaper solution to buying springs from other bikes and saves shipping hassle as well. 

Offline pidjones

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Re: Ton up SR250 - a cafe racer by the numbers: 100mph, 100kg, 30hp
« Reply #224 on: Jan 10, 2019, 14:29:36 »
Just as long as you don't coil-bind.
"Love 'em all.... Let God sort 'em out!"

Offline JadusMotorcycleParts

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Re: Ton up SR250 - a cafe racer by the numbers: 100mph, 100kg, 30hp
« Reply #225 on: Jan 11, 2019, 07:40:10 »
Just as long as you don't coil-bind.

Good call.  I'll be able to check that with my threaded rod set up and a few measurements.