New to me 1987 SPII

[Dragonknee]

I picked up a SPII and don't know much about the differences between it and other tonni framed bikes. My search for a seat to fit my SP2 is not being fruitful and so I came here to ask if anyone had a SPII and if they could take some pictures under their seats so I can try to find another pan or whole stock seat. The issue I have is it seems to have 2 brackets on the right side and a seat lock on the left. What I really want is another seat that will work or can be modified. Thanks

[pehayes]

Good Luck!!  Better buy a lottery ticket first.
I had an SPII for a number of years.  Seat had been reupholstered by Corbin before I bought it.  I had it re-done by them after seam failure due to age.  Pictures of the seat and pan below.
Very odd seat.  Hinged on the right side and locked down on the left side.  One of my hinge receivers snapped off the frame and I managed to bodge in a reasonable facsimile repair but don't have any pic of that.

Handlebar switchgear is hideous inside.  Can't be easily replaced by something better.
Front master cylinder has unobtanium parts worldwide.
16" front wheel is finicky about tire dimensions and air pressure.
Stock sidestand hard to deploy by a two legged human.  Not many other options for it.

Patrick Hayes
Fremont CA

[Dragonknee]

Good Luck!!  Better buy a lottery ticket first.
I had an SPII for a number of years.  Seat had been reupholstered by Corbin before I bought it.  I had it re-done by them after seam failure due to age.  Pictures of the seat and pan below.
Very odd seat.  Hinged on the right side and locked down on the left side.  One of my hinge receivers snapped off the frame and I managed to bodge in a reasonable facsimile repair but don't have any pic of that.

Handlebar switchgear is hideous inside.  Can't be easily replaced by something better.
Front master cylinder has unobtanium parts worldwide.
16" front wheel is finicky about tire dimensions and air pressure.
Stock sidestand hard to deploy by a two legged human.  Not many other options for it.

Patrick Hayes
Fremont CA

Thanks for the thoughts. Not sure how I will deal with the seat but If I can't find a pan I will just work with the seat I have for sure. Time will tell how long it stays just because I have a V11 as well, but it has 158,000 miles on it and a motor rebuild at 131,000 miles... We shall see.

[Antietam Classic Cycle]

I thought the seat from the T5 and Mille GT was the same, but maybe not. Same tank, sidecovers and tail section.

The original "trapezoidal" master cylinder can be rebuilt - I just did one for my friend Scott. Stein-Dinse has the kit in stock: https://www.stein-dinse.com/en/item-2-1427337-28659300-.html

[Dragonknee]

I thought the seat from the T5 and Mille GT was the same, but maybe not. Same tank, sidecovers and tail section.

The original "trapezoidal" master cylinder can be rebuilt - I just did one for my friend Scott. Stein-Dinse has the kit in stock: https://www.stein-dinse.com/en/item-2-1427337-28659300-.html

Thanks for the heads up on the brake parts. I looked at the seats and they are different. I'm looking all over for info so anything helps...

[JJ]

This is my old 1993 SP1000-III.  Photo taken in NORCAL, (Pleasanton, CA), when I lived there 2005-2011.  It was a good touring bike and I had fun with it. 

It had a CORBIN custom seat and also a removable top case on the rear rack.  After a few years, I sold it to a guy in NJ who rode it from NORCAL back home.  Later, I learned he was T-boned at an intersection, (non-fatal), and the poor bike was totaled...

[slopokes]

Yes I am still alive and the sp3 was being put back together out in Long Island….

[Dragonknee]

Yes I am still alive and the sp3 was being put back together out in Long Island….

Glad your still alive my friend, I got hit on my Lemans by a 84 year old man and still kicking as well. Any chance the bike had the stock seat besides the corbin? I would love to find a stocker. Thanks

[Cdn850T5NT]

T5 seat and SPII seat are identical. OP's bike appears to have an 18" (non stock) frt wheel, and has non OEM windshield. I can't tell for sure, but rear wheel appears smaller than the OEM 18, but I'm not sure...

[Cdn850T5NT]

Good Luck!!  Better buy a lottery ticket first.
I had an SPII for a number of years.  Seat had been reupholstered by Corbin before I bought it.  I had it re-done by them after seam failure due to age.  Pictures of the seat and pan below.
Very odd seat.  Hinged on the right side and locked down on the left side.  One of my hinge receivers snapped off the frame and I managed to bodge in a reasonable facsimile repair but don't have any pic of that.

Handlebar switchgear is hideous inside.  Can't be easily replaced by something better.
Front master cylinder has unobtanium parts worldwide.
16" front wheel is finicky about tire dimensions and air pressure.
Stock sidestand hard to deploy by a two legged human.  Not many other options for it.

Patrick Hayes
Fremont CA

Patrick, could you please give more details about your comments on the stock 16" frt wheel; that is to say your comments on how sensitive it is to "shape/dimensions/presumably tire tread design"? I know one ought to run 38 psi or more for best results...Stock is 110/90-16 if memory serves, and it is tube-type, non-radial.

Thx!

[Cdn850T5NT]

OP, re the switchgear, "Chuck in Indiana" has an '87 Lario with that same switchgear, and he has the low-down on how to disassemble- and rebuild the contacts... and most importantly how to re-assemble the assemblies!