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Latest project (1 Viewer)

Jaws

LIFE MEMBER
Sep 26, 2008
23,854
73,085
Thetford Norfolk
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4,189
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C class, Chieftain
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since 2006 ( I think ! )
Been commissioned to do a full resto on this 1974 Zuk RV90 barn find


1678467452666.png
 
Feb 25, 2020
247
490
Funster No
69,004
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PPVC Autocruise Alto
Exp
I'm a newbie
Very nice find how much larger than a Honda Monkey Bike ?
 
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Jaws

Jaws

LIFE MEMBER
Sep 26, 2008
23,854
73,085
Thetford Norfolk
Funster No
4,189
MH
C class, Chieftain
Exp
since 2006 ( I think ! )
Very nice find how much larger than a Honda Monkey Bike ?
Almost twice the size !
That's different and well worth saving.
Have you seen this?


Aint seen that one but plenty of others....
As you can see from the pic, this one it is not in too bad condition and a good starting point
For a moment I thought a new weird toy might be inflicted on The Bash 'Ped Racing. :)
Ummmmm. :)

Nahhhh.. its a 90cc so out of class :) ( and I think the owner might get a bit miffed ! )

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Last edited:
Apr 17, 2016
6,062
35,940
South Coast
Funster No
42,523
MH
White One..
Exp
3 years….
Looks pretty straight and complete so should be an easy build.
Worst thing with rebuilding bikes is obtaining the correct bolts, washers and cables.
Hate when someone does a rebuild and uses standard of the shelf bolts that still have the writing on the head!!
 
Jan 8, 2013
8,496
11,538
Dronfield - Derbyshire
Funster No
24,202
MH
Burstner Lyseo 690G
Exp
Happy FLT since 2011
Looks pretty straight and complete so should be an easy build.
Worst thing with rebuilding bikes is obtaining the correct bolts, washers and cables.
Hate when someone does a rebuild and uses standard of the shelf bolts that still have the writing on the head!!
Absolutely. Great minds.
I'm ust rebuilding an Aprilia and cleaning every one of their special small headed bolts and machining all the writing of any others.

IMG_20230210_152928.jpg
 
Jan 3, 2023
380
1,539
Whitby, UK
Funster No
93,159
MH
Autocruise Starburst
Exp
From March 2023
Nice 125 - the 250 is for your son then?
My body is too old to suffer the torment of clip-on's and rear set's but I didn't want to lose the 2-stroke riding thrill.
So I built myself a Suzuki TDRGV 250 - the concept is influenced by Yamaha's lovely TDR250..............
Not quite finished yet, but roadworthy enough to pass an MOT test. Just got to fight the DVLA to get an age-related registration 👍

tdrgvclothed1.jpg
 
Jan 8, 2013
8,496
11,538
Dronfield - Derbyshire
Funster No
24,202
MH
Burstner Lyseo 690G
Exp
Happy FLT since 2011
Nice 125 - the 250 is for your son then?
My body is too old to suffer the torment of clip-on's and rear set's but I didn't want to lose the 2-stroke riding thrill.
So I built myself a Suzuki TDRGV 250 - the concept is influenced by Yamaha's lovely TDR250..............
Not quite finished yet, but roadworthy enough to pass an MOT test. Just got to fight the DVLA to get an age-related registration 👍

View attachment 730000
A couple of years ago I built a SR600 - 350 YPVS Special. I had the v5 for the SR so DVLA just treated it as a change of engine - no problems.
My son bought the Aprilia but he needs me to fix it :Grin:
 
Jan 3, 2023
380
1,539
Whitby, UK
Funster No
93,159
MH
Autocruise Starburst
Exp
From March 2023
The donor bike doesn't have a V5 as it is / was a competition only bike (RMZ-250 motocross bike).
 
Jan 8, 2013
8,496
11,538
Dronfield - Derbyshire
Funster No
24,202
MH
Burstner Lyseo 690G
Exp
Happy FLT since 2011
Nice 125 - the 250 is for your son then?
My body is too old to suffer the torment of clip-on's and rear set's but I didn't want to lose the 2-stroke riding thrill.
So I built myself a Suzuki TDRGV 250 - the concept is influenced by Yamaha's lovely TDR250..............
Not quite finished yet, but roadworthy enough to pass an MOT test. Just got to fight the DVLA to get an age-related registration 👍

View attachment 730000
The next - (last???) project is at rest in the shed.
Its a Cagiva Mito and I have an idea to fit it with a motocross two stroke single cylinder engine.
With your connections do you know of any going for sale?

s-l1600 (8).jpg


s-l1600 (9).jpg
 
Jan 3, 2023
380
1,539
Whitby, UK
Funster No
93,159
MH
Autocruise Starburst
Exp
From March 2023
Last thing you want in that is a 2 stroke mx motor. They have very light flywheels so they spin up quicker and are basically not suited to road use - enduro bike engines, like my Rotax 250, have a much heavier flywheel than it's mx version to give it some "bottom end".
Yamaha motors are a popular fit in the Mito's - seen a few and they look good.
A KTM 380 enduro motor would give it some zing.

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Jan 8, 2013
8,496
11,538
Dronfield - Derbyshire
Funster No
24,202
MH
Burstner Lyseo 690G
Exp
Happy FLT since 2011
Speaking of 2 strokes my RD build underway at last , been over 10 years collecting the bits , same here polish the bolts to get rid of markings for those that are too far gone for new zinc plating . View attachment 730784
RD 350 E?
Nice :drinks:
I often use stainless bolts and polish off the marks on a linisher. You can also get a polished (chrome) finish with a bit more polishing.
Handle bar clamp bolts for instance.
I also avoid Allan cap bolts.
 
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Jaws

Jaws

LIFE MEMBER
Sep 26, 2008
23,854
73,085
Thetford Norfolk
Funster No
4,189
MH
C class, Chieftain
Exp
since 2006 ( I think ! )
How do you blank of the head stock bearing cups?
I use a 2"? hole saw to cut two aluminium disks and a piece of threaded bar to pull them together.
Do you have the frame powder coated?
Do not bother witrh anything so posh
The guy I use to do all my powder coating is extremely good. He does a lot of high end one off tech stuff as well as automotive and industrial coating.
He has been in business for for 40 years and been doing for me 23 of those
All threaded bolt holes have rubber bungs in, as does all bearing faces and cups
I am quite happy to just let him do his own thing

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Last edited:

Bobbydaisy

Free Member
Oct 13, 2021
517
748
Funster No
84,839
MH
Elddis CV20
RD 350 E?
Nice :drinks:
I often use stainless bolts and polish off the marks on a linisher. You can also get a polished (chrome) finish with a bit more polishing.
Handle bar clamp bolts for instance.
I also avoid Allan cap bolts.
RD 250 D , 1977 , in Yellow .
Yeah me too stainless nuts and bolts , put the threaded end in drill and whilst rotating hold it against my bench grinder with fine grit stone to remove markings , finish off with emery flap wheels and then some Solvol . Allen cap screws are a no , no on this era of bike 😉
 
Jan 8, 2013
8,496
11,538
Dronfield - Derbyshire
Funster No
24,202
MH
Burstner Lyseo 690G
Exp
Happy FLT since 2011
RD 250 D , 1977 , in Yellow .
Yeah me too stainless nuts and bolts , put the threaded end in drill and whilst rotating hold it against my bench grinder with fine grit stone to remove markings , finish off with emery flap wheels and then some Solvol . Allen cap screws are a no , no on this era of bike 😉
Have you seen these small headed Phillips screw more like Japanese screws. https://www.ebay.co.uk/itm/16583521...d=link&campid=5338547443&toolid=20001&mkevt=1
 
Apr 17, 2016
6,062
35,940
South Coast
Funster No
42,523
MH
White One..
Exp
3 years….
Have you seen these small headed Phillips screw more like Japanese screws. https://www.ebay.co.uk/itm/16583521...d=link&campid=5338547443&toolid=20001&mkevt=1
They are black or olive green on Yamahas 😁

I collected bags of original bolts and screws over the years as the Yamaha ones have numbers on the heads as do other Jap bikes.

on another note one of my RDs I purchased the owner had attempted to tidy it up and swopped all the bolts for stainless as you use to be able to buy bolt kits for your bike.
Most of them I had a nightmare to drill out as they had corroded in the thread🤬🤬
1679636180887.jpeg
 
Jan 8, 2013
8,496
11,538
Dronfield - Derbyshire
Funster No
24,202
MH
Burstner Lyseo 690G
Exp
Happy FLT since 2011
I did know that they are supposed to be green but I've never seen any. I assumed you would know to grease any stainless bolt's and screw.
It is looking a picture.
Is the engine complete?
 

Bobbydaisy

Free Member
Oct 13, 2021
517
748
Funster No
84,839
MH
Elddis CV20
They are black or olive green on Yamahas 😁

I collected bags of original bolts and screws over the years as the Yamaha ones have numbers on the heads as do other Jap bikes.

on another note one of my RDs I purchased the owner had attempted to tidy it up and swopped all the bolts for stainless as you use to be able to buy bolt kits for your bike.
Most of them I had a nightmare to drill out as they had corroded in the thread🤬🤬
View attachment 730861
I am looking for one of those “idiot light” ignition switch covers you have hanging there , mine is cracked at the indicator lens , if you have a good one to sell let me know please , sorry saw the RD clocks behind and zoomed in 😲

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