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Author Topic: Serco Jawa.  (Read 2053 times)

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Offline Dutch

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Serco Jawa.
« on: July 11, 2012, 03:27:12 am »
For sale on Ebay.uk (Item number: 300739249758) this very rare SERCO jawa.
Is this just a Neil Street conversion or something else.
Serco engineering, Brisbane Australia.
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Offline Hoony

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Re: Serco Jawa.
« Reply #1 on: July 11, 2012, 05:16:42 am »
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Long time Honda Fan, but all bike nut in general, Big Bore 2 stroke fan.    http://www.youtube.com/watch?v=XJoKP6MawYI
1985 Honda CR500RF "Big Red"
1986 Honda CR250RG
2005 KTM 300EXC "The GruntMeister" ( I love that engine)

Doggy Digger

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Re: Serco Jawa.
« Reply #2 on: July 11, 2012, 09:45:56 am »
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Offline firko

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Re: Serco Jawa.
« Reply #3 on: July 11, 2012, 11:46:56 am »
I think 'you know who' is onto it as we speak.
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'68 Yamaha DT1 enduro, '69 Yamaha 'DT1 from Hell' '69 DT1'Dunger from Hell, '69 Cheney Yamaha 360, 70 Maico 350 (2 off), '68 Hindall Ducati 250, Hindall RT2MX, Hindall YZ250a , Cycle Factory RT2MX flat tracker, Yamaha 1T250J, Maico 250 trials, '71, Boyd and Stellings TM400, Shell OW72,750 Yamaha

Curly3

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Re: Serco Jawa.
« Reply #4 on: July 11, 2012, 12:24:56 pm »
Hasen't he already got half a dozen of them?
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Offline Freakshow

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Re: Serco Jawa.
« Reply #5 on: July 11, 2012, 12:50:54 pm »
so these are modified to take a chain off the cams and not use the push rods then ???
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74 Yamaha YZ's - 75 Yamaha YZ's
74 Yamaha  flattracker's
70  Jawa 2 valve speedway's

For sale -  PRE 75 Yamaha MX stuff, frame, motors and parts also some YAM DT1,2,A and Suzi TS bikes and stuff

Offline firko

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Re: Serco Jawa.
« Reply #6 on: July 11, 2012, 01:00:02 pm »
Quote
Hasen't he already got half a dozen of them?
Yeah, I just spoke to him...it's just another Streety conversion so he's not bothering.
Quote
so these are modified to take a chain off the cams and not use the push rods then Huh
It's a 4v DOHC conversion on a 2vJawa bottom end, designed by Neil Street and built by Ivan Tighe in Bris Vegas.
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'68 Yamaha DT1 enduro, '69 Yamaha 'DT1 from Hell' '69 DT1'Dunger from Hell, '69 Cheney Yamaha 360, 70 Maico 350 (2 off), '68 Hindall Ducati 250, Hindall RT2MX, Hindall YZ250a , Cycle Factory RT2MX flat tracker, Yamaha 1T250J, Maico 250 trials, '71, Boyd and Stellings TM400, Shell OW72,750 Yamaha

Curly3

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Re: Serco Jawa.
« Reply #7 on: July 11, 2012, 10:52:36 pm »
A fair price at the moment and if I hadn't been off work for the past 3 months I'd be up there like the proverbial.
My first day riding a Speedway bike was actually the same day the late Billy Sanders was also testing his brand new "Streety" at Nepean late 74.
Crumpy Snr had just demolished everyone at the OZ Speedway titles, held at the Syd Showground,
All the talk from that meeting was Crumpy's engine, the 4V frienzy that followed was amazing and hard to follow. I remember wishing for a 4V Wessy Conv for my 2 Valver.
Having said that, the bike I rode was pretty much a standard 2 Valve Jawa with a "Squished" twin spark Cyl head.
I've still got the Cyl head and a few piston's, if I can get them back from big Bro.
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