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New Member New member from Davis,CA.

Discussion in 'New Members Say Gday' started by grcamna5, Feb 1, 2021.

  1. grcamna5

    grcamna5 Active Member

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    Hello,
    I like small bikes and just joined.I presently have a USA spec 1981' Honda CB125S that I have upgraded a bit.
     
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  2. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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  3. grcamna5

    grcamna5 Active Member

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    thanks :thumb_ups:
     
  4. DannoXYZ

    DannoXYZ Well-Known Member

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    My Bike:
    Honda CB125TT, Kawi EX250F, EX250J race, Honda CBR250RR-MC19, NSR350R-MC21 VF500F, CBR600RR, VFR750F
    Hi! Welcome & greetings!
    I'm just down road from you.

    My wife has a '91 CB125T twin that's just much fun with its light weight!
     
  5. grcamna5

    grcamna5 Active Member

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    Hi DannoXYZ,
    I appreciate the welcome.I have had many bikes.I live in a 2nd floor apartment and for now this little bike is versatile and easy to park in the limited space I have in the lot.I would like to find an 83' Suzuki GS450E model,I'm keeping my eyes open.
     
  6. thebeefsalad

    thebeefsalad Well-Known Member

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    Howdy neighbor!

    Hey other neighbor! I must missed out on 3 CB125Ts! Slept on it one too many nights, then decided the engines would be great for minigp. wompwompwomp.
     
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  7. DannoXYZ

    DannoXYZ Well-Known Member

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    My Bike:
    Honda CB125TT, Kawi EX250F, EX250J race, Honda CBR250RR-MC19, NSR350R-MC21 VF500F, CBR600RR, VFR750F
    Yeah, the twins are decently powered. Can get bike up to 75mph! :)
    And 12v system is more convenient to work on.
     
  8. grcamna5

    grcamna5 Active Member

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    My Bike:
    Honda CB125S
    My little 81 CB125S has been a project bike of mine for a couple years.I presently am running it with an 82' XL125S 6-speed transmission(the 81-82' CB125S crankcases are the same Honda OEM part# as the XL185)and an XR185 crankshaft and top-end using the stock primary & final drive gearing as the 125 with an 18" rear wheel and 3.00x18" tire.I was able to order a pair of YSS rear shocks for a UK model CB125RS from wemoto.com.I'm also using a rear swing-arm from a 1984' CB125S US spec which lengthens my wheelbase from 47 to 50" overall.
    I want to measure the diameter/length of my stock front springs and then inquire on where I can order a pair of better quality front springs to better match my better-than-oem YSS rear shocks.I'm 14 Stone in weight or a bit more now at about 210 lbs. and 6 foot.I love small bikes and know I'm too big for it(according to a few folks..)but still do really enjoy it.I spend 60% of my rides running along great but laying-flat(out of the wind to allow the engine to 'sing' better) if I'm on the Interstate doing 65+mph:I've installed a Euro-Spec XL185S clutch cover with tachometer drive and will be installing a tach from a 1975' CB125S soon.I use this little bike for everything ! I've installed a custom-fit vintage CCA luggage rack and had a welder put BMW lower racks on it to use my Krauser 'starlet' hard bags.I am going to install a 162mm/6 3/8" headlight from a CB350.I've already installed an XL185 stator and use an OEM Honda TLR200 12vt. reg/rect. for 12vts. but can only run an incandescent H4 Halogen bulb 35/35 because it's AC feed for the headlight directly from the XL185 stator and it has burned-up an LED bulb before..
    I would like to purchase an early model Honda CB250RS,but here in the USA 'Big Bikes Rule' :idk: and I will need to import a CB250RS if I ever find one that's been taken great care of.I enjoy my little '125' as it makes me feel like a kid when I'm on this small bike. :D
    I've kept the little bike kind of dull-looking(boring-looking hopefully..) on the outside to discourage would-be thieves/pranksters from wanting to steal my little bike,therefore,it doesn't look very appealing. :oops:

    Do any of you from other parts(U.K. possibly?)of the world know where I can source a pair of aftermarket performance front fork springs for my stock 27mm O.D. front forks ? thanks,Bill
     
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    Last edited: Feb 5, 2021
  9. grcamna5

    grcamna5 Active Member

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    My little CB125S can do 85mph when I'm laying on the tank :) although I usually run it at 65-70 if I'm in the right lane on an Interstate:the wind is strong and I will be installing a fairing to try to slice through the resistance a little better.
     
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  10. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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  11. grcamna5

    grcamna5 Active Member

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    Hi,thanks for the reply.They don't have any springs for me with that small of diameter at Racetech.They will somewhere in Europe or S. America,according to Liam at wemoto.com
     
  12. 2valve

    2valve Well-Known Member

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    :welcome:
     
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  13. risky

    risky risky

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    welcome
     
  14. DannoXYZ

    DannoXYZ Well-Known Member

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    I remember these bikes when they came out. Standard procedure to stiffen up front end is to replace about 100mm of spring with PVC tubing. Add 10mm extra preload.
     
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  15. grcamna5

    grcamna5 Active Member

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    I want to find a pair of 'dual-rate' fork springs.
     
  16. DannoXYZ

    DannoXYZ Well-Known Member

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    better to have progressive springs
     
  17. DannoXYZ

    DannoXYZ Well-Known Member

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  18. grcamna5

    grcamna5 Active Member

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    Yeah,progressive/dual-rate:I prefer them.I have built Race Tech forks and they're single rate and it works good with the cartridge emulator:it makes use of the full travel of the forks to accomplish suspension tasks.This small 125 though and me being up there in weight,I prefer progressive/dual-rate springs,sort of an anti-dive feature to keep them from bottoming.
    I've got to pull a spring out and measure the i.d. and length first.
     
  19. DannoXYZ

    DannoXYZ Well-Known Member

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    Dual-rate is actually different than progressive. It has to do with how coils bind and remove themselves from equation. With dual-rate springs, initially, all coils contribute and spring is softest. Then closely packed set of coils all bind at one time as suspension compresses. This causes sudden change in spring-rate as only wide-spaced coils are active after that. Hence, dual-rate number 25/40 lb/in with sudden change.

    [​IMG]

    Progressive-rate springs coil-bind one at a time, so increase in rate is much smoother. Coil spacing increases between each individual coil. Usually specified with range such as 20-45 lb/in.

    [​IMG]

    Let me know what you find, I could use upgraded springs on my CB125T as well. Thx :)
     
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  20. grcamna5

    grcamna5 Active Member

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    Thank you for explaining this Danno:I will find some progressive rate springs somewhere,then get back to you with what I've found. ;)
    An edit to my previous post: I will measure the O.D. and length of my OEM springs.
     
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