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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  YAMAHA BYZ 401 FINISHED!
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Author Topic: YAMAHA BYZ 401 FINISHED!  (Read 13577 times)

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ultrasham241

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YAMAHA BYZ 401 FINISHED!
« on: January 26, 2011, 01:27 AM »
1983 YAMAHA BYZ 401

I have always had a big passion for Yamaha`s, as I have ridden them in motocycle trials since a wee lad in 1978 through to today in twinshock motocross on my 1981 Yamaha YZ 465.
So when this BYZ frame came up I had to have it! and wanted to do this bike build serious justice! They are quite rare to find in England as they are French built, hence the time it has taken to find as many original parts as possible. The ultimate motocross pit bike!!

Frame: Yamaha `made in France`/ custom decals by Neil: N13L VV
Forks: Tange TRX, `original`
Crank: Takagi or `NOS` Nervar `original`
Rims: NOS Weinmann `made in Belgium`original`
Hubs: Mailard `made in France`original`
Tyres: NOS Knarler Knobby`s `fat thin combo as original`
Brakes: Dia compe / or`NOS` Weinmann`original`
Bars: Pro size cromo V / AME grips
Stem: SR `original`
Headset: Tange 125
Seat: Lightning bolt` made in Italy` : now fitted with original `YAMAHA`lightning bolt seat.
Seat clamp: SR`original`
Seat post: Laprade, `as original`
Drive: KMC chain / shimano freewheel
Stand: custom Yamaha alloy (made by me)























SEE  THIS LINK FOR MORE PICS :



http://s946.photobucket.com/albums/ad301/ultrashams1/yamaha%20byz401/

« Last Edit: January 27, 2011, 04:09 AM by ultrasham241 »

modfather

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #1 on: January 26, 2011, 01:36 AM »
Quality!  8)

Offline mattfx81

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #2 on: January 26, 2011, 01:37 AM »
That is very special, a shop near me in the mid 90's still had a yamaha bmx poster on the wall still. Bar the seat and seat post that is one lovely bike that will surely get you noticed in the pit.

Offline dordymush

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #3 on: January 26, 2011, 01:42 AM »
really like these bikes.
remember them bitd.
a nice red anno fluted seat post would look nice on that  8)
dave the bmxing gypo


xGoose

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #4 on: January 26, 2011, 02:56 AM »
nice build, very original.  :daumenhoch:



Offline stfc

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #5 on: January 26, 2011, 08:15 AM »
absolutely top bombing ...

Offline Mattdub

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #6 on: January 26, 2011, 08:37 AM »
Very nice work there  :daumenhoch:

Offline diesel

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #7 on: January 26, 2011, 08:57 AM »
Spot on... Love it  :daumenhoch:

Offline NORTY40

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #8 on: January 26, 2011, 09:07 AM »
Love that mate , great job done there  :daumenhoch:

Nice custom stand too  8)
WANTED : Old school BMX patches/sew on badges ......  please  :)

waza04

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #9 on: January 26, 2011, 09:38 AM »
thats sweet......  :smitten:

Offline brummie

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #10 on: January 26, 2011, 09:40 AM »
Love that mate , great job done there  :daumenhoch:

Nice custom stand too  8)

x2 really nice  8)

Offline brettypeeps

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #11 on: January 26, 2011, 10:03 AM »
Sweet  :smitten: Looking :smitten: Bike :daumenhoch:

Offline rooski

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #12 on: January 26, 2011, 12:32 PM »
remember these bitd,local shop sold em along with mongs :smitten:
very, very nice dude :daumenhoch:

Offline fischflo

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #13 on: January 26, 2011, 01:36 PM »
hmmm, Yamaha pads .........very nice build . :) Looks alot like my first bike, a Motobecane, think Yamaha made the frames for some of their bikes, too.

Offline bobafett

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #14 on: January 26, 2011, 02:00 PM »

Nice one - looks sweet  :daumenhoch:


mongoositis - an expensive disease......

Offline hunterdubber

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #15 on: January 26, 2011, 07:40 PM »
Lovely, lovely bike  :smitten: :smitten: :smitten:

Job well done    :4_17_5: :daumenhoch:

Only seen one in the flesh since about 1984  ::)


Offline rollin72

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #16 on: January 26, 2011, 08:45 PM »
that is an awesome build mate, reckon it'd go faster without the front brake

nice1 :4_17_5:

Offline Macmania

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #17 on: January 26, 2011, 08:53 PM »
Looks great, well done  :daumenhoch:
Wanted: Anything MT Racing

currio

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #18 on: January 26, 2011, 09:08 PM »
Lovely, great job mate  :4_17_5:
Nice to see some of  the rarer ones.
Have to agree with the seat and post comments though, sorry   :-[

scary_leary

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #19 on: January 26, 2011, 09:19 PM »

Very nice.. always been a yam man myself  :daumenhoch:






In2 bmx

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #20 on: January 26, 2011, 09:29 PM »
Great job that. It looks mint  :4_17_5: really good photos to.  :)

ultrasham241

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #21 on: January 26, 2011, 10:08 PM »
Thanks for the comments,

 The yam is now fitted with an original `YAMAHA` seat and took a bloody long time to find, and after I had the photos done!
 The laprade post was fitted to these as standard and wanted to keep the bike as original as pos.

 :daumenhoch:

« Last Edit: January 27, 2011, 12:28 AM by ultrasham241 »

Offline stidds

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #22 on: January 26, 2011, 11:23 PM »
Nice work Sham, welcome to the BYZ 401 club mate, that looks ace.

Glad you have finally found a Yamaha seat.



As for the comments on seat and seat post etc, these are the parts that were on these bikes bitd, it is a damn sight harder to find original/obscure parts than it is to stick a generic seat post and kashi aero seat on it.  Believe me it takes bloody ages to try to get a bike back to its original state using original parts than to buy any old crap off of ebay.  Sorry Rant over.


This is the Yamaha seat and laprade seat post on my BYZ 401


ultrasham241

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #23 on: January 27, 2011, 12:13 AM »
WELL SAID SEAN!!   :daumenhoch:

MY 1981 YZ 465 :





« Last Edit: January 27, 2011, 12:29 AM by ultrasham241 »

Offline dordymush

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Re: YAMAHA BYZ 401 FINISHED!
« Reply #24 on: January 27, 2011, 05:47 PM »
was they painted red then them seat posts.
i thought i remembered them with red posts.
dave the bmxing gypo


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