It's alive!!

[joe46ho]

Hell, Mark...I like this one better anyway. I am doing the 70' 450 Scr for my brother, my personal project is just like yours, a 66' N/C 250 Scr. Im glad you posted these pics too, bc now I know the 66' is supposed to have the green center indicator lamp ( the headlight bucket I have is the same, but missing the hole for that indicator) Now I will be adding one, Im trying to restore my 66 as close to original as humanly possible. The seat is another issue (which it looks like you have the same problem) I have a good pan also, but nothing really to go by, other than pics, to have my upholstery guy re-create the original seat. I found split rivets, nickel plated, that are close enough, but I have no way of figuring out correct height of the foam/pad, and the dimensions... I had a heck of a time finding the aprilia 59n switch, ended up finding one at domiracer (after convincing tony to dig through all his switches, after he repeatedly told me he didnt have one) and i wont say what I paid for it either...

If you have, or take any more detailed pics of the 66 can you send them to me ? especially the battery tray area (having trouble finding someone to give me measurements of a factory tray) and the headlamp housing (inside) and key switch area. I can pm you my email, i dont think im supposed to post it here...

Joe

[DewCatTea-Bob]

" now I know the 66' is supposed to have the green center indicator lamp ( the headlight bucket I have is the same, but missing the hole for that indicator) "

____ There were a number of such details which differed between made for Europe, and made for USA models. _ The green indicator (hole) was meant to allow light passing from the 'city-light' lamp-bulb, which was attached over & back of the headlight-reflector.
The USA-model employed a sealed-beam, which didn't include any such 'parking-light' for (barely) also lighting-up the green-indicator.


Dukaddy-DUKEs,
-Bob

[joe46ho]

Bob,

Thanks, I was wondering why the parts book i have shows some of the models both ways ( with sealed beam. and with std. aprilia headlamp ring, and also with the reflector/bulb/lens/peaked headlamp ring) However the book I have doesnt show my model like that, only one way. I have found other errors too, like you know how at some point the changed the k/s spring setup, from the fork/leaf spring setup to the later coil spring/plate setup ? (previously discussed by you in a thread about improving/repairing the weak k/s spring problem) My 66' scr has that setup, but nowhere in the world can i find a parts catalog that has it depicted. One thing i do know, I have a "correct" 130mm headlamp bucket, that only has the key switch hole, and the red indicator hole. but i have a aprilia reflector, and bulb holder that has a place for the parking bulb. So I dont know what to do in order to make it as authentic as possible. Drill a hole for the green "lens" or just leave the bulb out and run it like that....?

I know these seem like mundane details, but i really want this scr to be nice, and original. All the little things add up, i never thought the headlamp housing and battery tray would get the most attention. Kind of funny when you stop and think about it

Joe

[joe46ho]

On a side note also... The 450 is rolling, and starting to take shape. Here is a few pics (low quality taken with cell phone) The shocks where found digging through domiracers archives, they are betor. We had looked at emgo's but these are much better quality, and not much more $ than the emgos...
The orange rear fender (orig. color) is for mock-up only, we are NOT painting it orange
The rear sprocket is a talon from lacey engineering
The lower fork legs are n.o.s. from loudbike
Not using gaitors on the forks, 35mm dust guards from classic ducati are taking there place.

I will have the engine done very soon, and will be installing it in the frame and starting to run the wiring...

Joe

[DewCatTea-Bob]

" like you know how at some point the changed the k/s spring setup, from the fork/leaf spring setup to the later coil spring/plate setup ?
My 66' scr has that setup, but nowhere in the world can i find a parts catalog that has it depicted. "

____ That newer/coil-type k-s.spring setup came-out for the 1966 model-year line.
That setup is depicted in the parts-book which also includes the n-c 350-Sebring model !


" One thing i do know, I have a "correct" 130mm headlamp bucket, that only has the key switch hole, and the red indicator hole. "

____ Then it should be aluminum-gray in color.


" but i have a aprilia reflector, and bulb holder that has a place for the parking bulb. So I dont know what to do in order to make it as authentic as possible. Drill a hole for the green "lens" or just leave the bulb out and run it like that....? "

____ In that case, I believe you ought to install the parking-bulb, (as the unique 66-SCR battery was meant to run it), but don't bother-around with trying to install a green-indicator.


Dukaddy-DUKEs,
-Bob

[DewCatTea-Bob]

" I will have the engine done very soon, and will be installing it in the frame and starting to run the wiring... "

____ So what kind of wiring-job are you planning ?
(Hopefully not loyally sticking exactly to the stock-Ducati scheme-plan.)


Fun-Cheers,
-Bob

[joe46ho]

Bob,

I cant seem to find that parts book anywhere. I do have a "supplement" to the parts book here, which describes parts which are unique to the 350 sebring, but no pictures at all.

I guess it doesn't really matter, since we both know they exist, I just wish it where easier to find a correct parts manual for my 66 (which actually shows every single piece that was factory installed) this would make my life easier trying to restore it back to factory specs.

On the 450, I think I will "temporarily" wire it up first, just to make sure it charges properly, because up till this point, I have just assumed that the w/c reg./rec. box I have is good. It may be shot for all I know... I already have 4 of those 25amp 200piv bridge recs. and several other spare pieces, so I have a lot of options on how to wire it up. But my brother is not planning on running a bigger headlight, or adding anything, or converting to 12volt. So once I find out if the factory reg./rec. works then I will figure out how he wants me to wire it up. I know for sure I wont be re-using anything aside from the keyswitch, the headlamp, and the regulator (maybe)

Mark has said he would be able to take some pics of his 66' scr and send them to me, so as to help me restore mine more accurately, so I'm looking forward to that...

Thanks, Joe

[MotoMike]

Joe
I know you are not really fretting over it, but I still have the stock 6 volt system in my 69 450 and have no problems with it. I don't often ride at night, but on the occasions when I did, I noted adequate light for tooling around. I have a 35w sealed beam. I do note dimming of the lights when I step on the brake at a stop, but other than that it seems fine and reliable.

Mike

[joe46ho]

Mike,

Thanks, yeah this will probably not be ridden all that often (when weather permits at least) I dont really plan on modifying anything as of right now, hopefully it all works at least as good as it did originally. No way to know yet because it hasnt run in 30 some odd years...or more. I do have a spare w/c regulator, im hoping one of the two is good at least. One of the first things I will be checking (once its started) is charging system efficiency.

Joe

[DewCatTea-Bob]

" On the 450, I think I will "temporarily" wire it up first, just to make sure it charges properly, because up till this point, I have just assumed that the w/c reg./rec. box I have is good.
I already have 4 of those 25amp 200piv bridge recs. and several other spare pieces, so I have a lot of options on how to wire it up. But my brother is not planning on running a bigger headlight, or adding anything, or converting to 12volt. So once I find out if the factory reg./rec. works then I will figure out how he wants me to wire it up. I know for sure I wont be re-using anything aside from the keyswitch, the headlamp, and the regulator "

____ MotoMike is certainly not incorrect to indicate that the stock charging-system is quite well enough up to handling the task it was meant to handle ! _ I quite well agree, and have never been one of those who claim that the stock Ducati w-c.system is in need of upgrading, as I've always found the stock-system to be quite sufficient !
__ I guess I shouldn't be surprised that anyone would mistake what I had actually meant, when I mentioned that I hope you didn't intend to faithfully adhere to the stock wiring-scheme exactly. _ But what I was then actually meaning to get at, is the WIRING-setup just itself !
For my own rewire-projects in the past, I had altered most everything including some of the stock wire-colors. _ But that was in an attempt to make a DUCATI's wiring-system 'PERFECT' (more-so than as 'original'), and I now realize the need (these days) to more closely stick to stock wiring-colors, etc.
Yet, the stock wiring-system still ought to be improved on ! _ Such as by increasing wire-gauge and adding additional ground-wiring, etc., (especially when sticking to the higher current-flow of a 6v.system).
__ Of particular note, since I gather you have the stock 3-pole key-switch, is to make use of all three of the terminal-posts of that switch, (not just two of them as Ducati did) ! _ That way, some of the current that passes through it's connector-terminals can be spread-out and not get as great an opportunity to heat-up, (such as like johnjupiter has run-into).
There are a number of ways to take advantage of the otherwise unused third k.switch-terminal...
I-myself always used it to feed the charging-system's power-output into the electrical-system so that it would do so ONLY when the key-switch was turned-on, thus isolating the (bleeding) rectifier-circuit from (slowly) draining the battery.
But if retaining the particular scheme-setup of the stock w-c R/R.unit, then another good use for that third-terminal would be to let it pass just the current-flow for merely the HEADLIGHT-switch ONLY, (and leave all the other system-loads to draw their current through the 2nd.terminal, as stock).
__ It's my GOOD-opinion that there are a number of such fairly worthy similar-minded improvements that can be done to beef-up the stock wiring-system, (so as to make it better at handling the relatively great current-demand of a 6v.system) ! - (Here's a link to such... viewtopic.php?f=3&t=706&start=10#p5520 )
__ I've added a wiring-scheme showing a typical wide-case electrical-system.


Fun-Cheers,
-Bob