Restarting the original

discussions specific to the 750 Paso

Moderators: paso750, jcslocum

enginerd
Posts: 27
Joined: Fri Jun 25, 2021 3:18 am
model: 750 Paso
year: 1988
Location: USA

Re: Restarting the original

Post by enginerd »

ooh, thanks for the recommendation!

I'll be looking over the wiring articles in particular because later this bike won't be a cyclops anymore- I found a good condition headlight to swap when it comes to it. :shock: :lol:
enginerd
Posts: 27
Joined: Fri Jun 25, 2021 3:18 am
model: 750 Paso
year: 1988
Location: USA

Re: Restarting the original

Post by enginerd »

So it's been a while yes since I updated this. Not much has happened but... I did get new tires installed finally. I'll post later the date stamp but I can at least say they're just over two years old. Old yes but better than the 24yr old rubber that was on it. I'll scuff up the rotors lightly before I install the wheels and check out the brake pads also. Bike only has 14k on it so I'd imagine the pads are ok. I'll probably end up getting new ones just for condition sake. New chain will be here this weekend also, maybe install that if I feel so inclined.
PXL_20250118_001950920.jpg
PXL_20250118_001950920.jpg (250.46 KiB) Viewed 212 times
PXL_20250118_002010093.jpg
PXL_20250118_002010093.jpg (212.04 KiB) Viewed 212 times
PXL_20250118_002039929.jpg
PXL_20250118_002039929.jpg (201.7 KiB) Viewed 212 times

Something that I have been thinking of now that I have the tires off - change the gearing maybe. As you can see here, chain was last adjusted in the middle of the rotation. Gearing right now is 15/38 with a 106 link chain. Bought a 108 link chain just in case I felt like going up two teeth or so; plus the chain was only $93 and I got it sooner than a 106 link one. I see I can get a new rear sprocket on Ebay but... how badly do I really want it, I don't know. Time for more research...
PXL_20250114_004048289.jpg
PXL_20250114_004048289.jpg (207.79 KiB) Viewed 212 times
Tamburinifan
paso grand pooh-bah
Posts: 1532
Joined: Thu Jun 21, 2007 12:00 am
model: 907 I.E.
year: 1991
Location: Gothenburg, SWEDEN

Re: Restarting the original

Post by Tamburinifan »

Not sure about 750 Paso gearbox ratios but 15/40 or similar most seems to like.
Gert

907 I.E. -91
M900 -97
MTS 1100s -07
Mc tool
paso grand pooh-bah
Posts: 1915
Joined: Wed Dec 05, 2007 12:35 am
model: 906 Paso
year: 1990
Location: Riverton New Zealand

Re: Restarting the original

Post by Mc tool »

Mine is 15 / 38 but I had given thought to changing it , I mean if one can ride open road mostly in 5th without realising it probly 40 on the back wouldnt hurt . :)
I wish I was young again............Id be heaps smarter than last time
enginerd
Posts: 27
Joined: Fri Jun 25, 2021 3:18 am
model: 750 Paso
year: 1988
Location: USA

Re: Restarting the original

Post by enginerd »

I'll probably pick up the 40t just because it's available now, NOS AFAM piece in silver. Aside from the gearing to ponder over, next step is order some new brake pads all around; other pads are coated in rust dust. Besides, nothing wrong with new pads right? After I get that sorted I'll finish up the brake and clutch fluid.

Oh, any opinions on stainless lines? While staying original is nice, one can only imagine some black stainless lines would be a helpful upgrade... For safety, right? For the front brakes, I'm wondering about running a double line from the master cylinder for a hint better feel on braking. Well, that's my thought at least.

Here's the bike with fresh rubber now. :D
PXL_20250119_000808915~2.jpg
PXL_20250119_000808915~2.jpg (186.27 KiB) Viewed 167 times
Tamburinifan
paso grand pooh-bah
Posts: 1532
Joined: Thu Jun 21, 2007 12:00 am
model: 907 I.E.
year: 1991
Location: Gothenburg, SWEDEN

Re: Restarting the original

Post by Tamburinifan »

.For the front brakes, I'm wondering about running a double line from the master cylinder for a hint better feel on braking. Well, that's my thought at least.
Double line, how does that work?
Gert

907 I.E. -91
M900 -97
MTS 1100s -07
enginerd
Posts: 27
Joined: Fri Jun 25, 2021 3:18 am
model: 750 Paso
year: 1988
Location: USA

Re: Restarting the original

Post by enginerd »

Tamburinifan wrote: Sun Jan 19, 2025 11:22 am
.For the front brakes, I'm wondering about running a double line from the master cylinder for a hint better feel on braking. Well, that's my thought at least.
Double line, how does that work?
Running two lines from the master cylinder, one to each caliper. I would imagine that it'd be possible but something I'll have to look into.

Only obstacle that I can see is finding a brake line that has a banjo connection at one end and a straight connection at the other end. Otherwise, I'd have to make sure I can run a banjo fitting at the caliper and find the correct angle for it to route.
Mc tool
paso grand pooh-bah
Posts: 1915
Joined: Wed Dec 05, 2007 12:35 am
model: 906 Paso
year: 1990
Location: Riverton New Zealand

Re: Restarting the original

Post by Mc tool »

I guess too that the more brake line involved the more swelling can happen leading to the spongy lever . I would try to use as little line as possible
I wish I was young again............Id be heaps smarter than last time
enginerd
Posts: 27
Joined: Fri Jun 25, 2021 3:18 am
model: 750 Paso
year: 1988
Location: USA

Re: Restarting the original

Post by enginerd »

Low and behold, I just came across this kit on Ebay out of England that won't ship to me.

https://www.ebay.com/itm/272772399343
Mc tool
paso grand pooh-bah
Posts: 1915
Joined: Wed Dec 05, 2007 12:35 am
model: 906 Paso
year: 1990
Location: Riverton New Zealand

Re: Restarting the original

Post by Mc tool »

Short memories aye . Sometimes if you contact the seller they car make it happen . I think some of the bollocks is because ebay want you to use their freight preference , who , with a reasonably captive market dont have to be all that cooperative
There must be an absoloute shitload of good brake line builders in the US . Its all standard sized stuff threads an all . I think there was even some outfit selling do it yourself braided brakeline kits .... maybe Venhills or something like that.
I wish I was young again............Id be heaps smarter than last time
User avatar
higgy
paso grand pooh-bah
Posts: 3349
Joined: Tue Jul 29, 2008 9:50 pm
model: 907 I.E.
year: 1992
Location: Hilltown,Pennsylvania
Contact:

Re: Restarting the original

Post by higgy »

Venhills has a usa branch

https://www.venhillusa.com/
Ducati,making mechanics out of riders since 1946
There's no problem so bad that a little fixing can't make it worse! : )
Electrocuted Birds Are Bursting Into Flames and Starting Wildfires :roll:
88 750
90 906
92 907ie
Mc tool
paso grand pooh-bah
Posts: 1915
Joined: Wed Dec 05, 2007 12:35 am
model: 906 Paso
year: 1990
Location: Riverton New Zealand

Re: Restarting the original

Post by Mc tool »

Woohoo , there you go they even do a kit for the Paso . :)
I wish I was young again............Id be heaps smarter than last time
enginerd
Posts: 27
Joined: Fri Jun 25, 2021 3:18 am
model: 750 Paso
year: 1988
Location: USA

Re: Restarting the original

Post by enginerd »

Sweet! Thanks for the link. I do appreciate it. :)


On another note... looking at some Mikuni carbs for the bike. Why them? Can't afford DCR's and Dellorto's I've heard otherwise against. Plus I scored a set of clean intake runners from a 750 for $40 shipped. Looking to see all that I'll take to get these mounted along with the fuel pump. As for the correct model Mikuni, I've read through some articles that the CV carbs aren't desirable, that still hold true? Are the TM flat slides any better and easily mountable?

I've seen over Ebay plenty of carbs pulled from a monster 750 or 900 being the Mikuni BDST 38's with merely the jets being different. Seem to come across a few Paso's that have these in them and right now, I see these, and it looks pretty tempting. Are those that I'm looking for or should I find something else?

https://www.ebay.com/itm/167221331230


One note about my fueling issue, I did see that I have 8mm fuel hose attachments all around with exception to the return lines to the tank and vapor hose coming from the tank. Those apparently will need a 7mm hose for. I'll post some pictures later to all that I have. Giving myself 2 months to get the engine able to turn over right now since Mike will be in town and I'd love for him to hear it run for the first time in nearly 20 years.
Mc tool
paso grand pooh-bah
Posts: 1915
Joined: Wed Dec 05, 2007 12:35 am
model: 906 Paso
year: 1990
Location: Riverton New Zealand

Re: Restarting the original

Post by Mc tool »

I think the Mikuni off a 750 would be the easiest way to go , pretty much bolt on . The are not as responsive as FCR's but better than the weber.
The weber is still pretty good up mid to top end . I had the 906 at the same time as a 1997 90ss and while the motors are basically the same the Mikuni's on the SS were nicer to live with.
I wish I was young again............Id be heaps smarter than last time
enginerd
Posts: 27
Joined: Fri Jun 25, 2021 3:18 am
model: 750 Paso
year: 1988
Location: USA

Re: Restarting the original

Post by enginerd »

Aside from getting the bike running, I can't say that I have any performance goals to really hit. I just want to bring the bike back to life and enjoy it. Besides, I've got a buyer for the two Webers that I have. The one that was on the bike has a cracked float pin post and so I bought another. At least there I've got money to go towards the other carbs to replace them with eventually.

Right now I've got new front pads on the way and soon I'll have the rear sprocket figured out so I can mount the new chain on. After that then flush brake/ clutch fluids and install a new bleed nipple on the clutch cover (current one has some rounded corners that's annoying me).
Post Reply