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1986 Honda VT 1100C shadow
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9 Posts
Discussion Starter #1
Hi everyone,
Just bought 1986 Honda shadow VT1100C and started rebuilding it, this is my 3rd bike in a row Im rebuilding in 3 years.
Have few questions if someone knows for sure please let me know, If you are not sure PLEASE don't add more confusion to my situation.
1. Are 1985-86 models use one common diaphragm on the air cut off valve and all the post 1987 two diaphragm ?
2. Are the diaphragms the same of all SHADOWA Vt1100 for all years? (3cm diameter)
3. Are brake master cylinder and clutch master cylinder on 1986 VT 1100 compatible with some other models (I'm struggling to find rebuild kits, but there are plenty for Honda VF VT700 on the web...but would they fit?)
4. What are the good after market brands for honda spare parts, I see there are TOUR MAX, K&L parts out there but can they be trusted because Honda genuine parts seems expensive to me.
5. Where I can find good internet parts catalogue ?

Regards
Thomas
 

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1983 Honda vt750 Shadow
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15,252 Posts

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107 Posts
My 86 VT700C has two diaphragms. So double check that. Get yourself a shop manual. Easily found on ebay. Sourcing parts is hit or miss. Avoid cheap Chinese parts like the plague. Caltric is utter junk. Ebay was a good source. And there are others. Good Luck
 

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Several youtube clips say that the carbs on the 1100 are similar to the 700, but don't take my word for it.
As @Derek86VT700C says the 700 is dual carb so you have 2 of each.
I'm waiting for 2 diaphragms and I've also ordered 2 full sets including the diaphragm and the metal piston. These were advertised as for the 83-85 models but the pics and dimensions for the diaphragm are the same so I can't be sure it will fit.
I'll be posting my findings on my original post about the VT700
 

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1986 Honda VT 1100C shadow
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9 Posts
Discussion Starter #6
My 86 VT700C has two diaphragms. So double check that. Get yourself a shop manual. Easily found on ebay. Sourcing parts is hit or miss. Avoid cheap Chinese parts like the plague. Caltric is utter junk. Ebay was a good source. And there are others. Good Luck
Thanks,
Any feedback about NISSIN (japain) parts?
 

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1986 Honda VT 1100C shadow
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9 Posts
Discussion Starter #7
Ok, after a lot of reading on the web, I have decided to delete the air cut off valve, (my diafragm is holed), this model acv is separate unit from the carburator, what I have to plug? And what will be the out come of doing this ...anyone?
 

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59 Posts
I have an 86 VT1100
Be sure to unplug and jnspect the 3 wire plastic connector that joins the stator 3 wires into the main harness.
The wires are very tight and constant power thru them can lead to many problems
Every bike with 3 wire stator needs to inspect and repair.
Dealer called the new conector and wire The Goldwing Update Kit
So yea, its a known problem

Some melt the connector, bike runs off and on. Or runs bad or not at all.
Could catch fire!
Inspect for plug damage or wire melting
 

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1986 Honda VT 1100C shadow
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9 Posts
Discussion Starter #10
I have an 86 VT1100
Be sure to unplug and jnspect the 3 wire plastic connector that joins the stator 3 wires into the main harness.
The wires are very tight and constant power thru them can lead to many problems
Every bike with 3 wire stator needs to inspect and repair.
Dealer called the new conector and wire The Goldwing Update Kit
So yea, its a known problem

Some melt the connector, bike runs off and on. Or runs bad or not at all.
Could catch fire!
Inspect for plug damage or wire melting
Definitely will check that !
Thanks !
 

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24 Posts
Hi everyone,
Just bought 1986 Honda shadow VT1100C and started rebuilding it, this is my 3rd bike in a row Im rebuilding in 3 years.
Have few questions if someone knows for sure please let me know, If you are not sure PLEASE don't add more confusion to my situation.
1. Are 1985-86 models use one common diaphragm on the air cut off valve and all the post 1987 two diaphragm ?
2. Are the diaphragms the same of all SHADOWA Vt1100 for all years? (3cm diameter)
3. Are brake master cylinder and clutch master cylinder on 1986 VT 1100 compatible with some other models (I'm struggling to find rebuild kits, but there are plenty for Honda VF VT700 on the web...but would they fit?)
4. What are the good after market brands for honda spare parts, I see there are TOUR MAX, K&L parts out there but can they be trusted because Honda genuine parts seems expensive to me.
5. Where I can find good internet parts catalogue ?

Regards
Thomas
No, the 1986 - 88 are special and stuff from a 750 or other years won't fit in the carbs.
It's a parts nightmare; I have one. Good luck.

eBay is your friend and a few specialty stores: See my thread on here.
 

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1986 Honda VT 1100C shadow
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9 Posts
Discussion Starter #12
Hi af77
Yes, I have realized that it's a parts nightmare the first two weeks after I have bought it.
Anyway, the brake master cylinder part number 45530-MG8-6 seems to fit only vt1100 85-86 and it's difficult to find ...any aftermarket or compatibility ideas guys??
 

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1983 Honda vt750 Shadow
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15,252 Posts
Check this clutch master kit. It lists a lot of years and models. If I remember correctly the bore is 16 MM. So if you can find similar it should work.

 

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1986 Honda VT 1100C shadow
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9 Posts
Discussion Starter #14
Thank you swifty2014,

The problem I'm running into now, and I expected that will be the other way around is that I can find clutch master cylinder rebuild kit as it fits plenty of models, the ******* is the FRONT BRAKE MASTER CYLINDER 45530-MG8-671 only fits models:
VT1100C SHADOW 1100 1985 (F) USA CALIFORNIA
VT1100C SHADOW 1100 1986 (G) USA CALIFORNIA

...and to add more confusion I contacted these guys here in the UK and they told me that their part (see bellow) fits 85-86 models and plenty others Hondas, Kawasaki , Suzuki Yamaha with 15.8mm x 41.6mm Brake Master Cylinder
 

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1986 Honda VT 1100C shadow
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9 Posts
Discussion Starter #16
I have used this place to purchase extremely difficult parts to find. It's in the Netherlands and I have had great service from them. I own a '86 VT700 completely stock. https://www.cmsnl.com
Hi, and thanks.
I use this web site as well but for the FRONT BRAKE MASTER CYLINDER 45530-MG8-671 : "Product is not available, add it to the watch list and receive a notification if it becomes available again"
 

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Premium Member
1999 Shadow 750 ACE VT750CD3 Modified
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3,251 Posts
I may be simple minded and missing something, but I'm sure it must be used in more than just 2 California spec. bikes, IME Honda does not work that way and Cali bikes just vary by emissions stuff tacked on. That is a common enough piece if you can't find OEM on ebay and OEM parts availability seems really messed up by COVID-19 at the present time, then check out the aftermarket such as K&L.
 

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1986 Honda VT 1100C shadow
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9 Posts
Discussion Starter #19
I may be simple minded and missing something, but I'm sure it must be used in more than just 2 California spec. bikes, IME Honda does not work that way and Cali bikes just vary by emissions stuff tacked on. That is a common enough piece if you can't find OEM on ebay and OEM parts availability seems really messed up by COVID-19 at the present time, then check out the aftermarket such as K&L.
Hi,
yes looks weird isn't it!?
When I choose 1986 it gives me this number 45530-MG8-671 only fits models:
VT1100C SHADOW 1100 1985 (F) USA CALIFORNIA
VT1100C SHADOW 1100 1986 (G) USA CALIFORNIA

When I choose 1987 it gives me this number 45530-MM8-671 fits plenty of models and years from 1987 till 1996.

And then this TOUR MAX (Japan) SKU: 001796 aftermarket rebuild kit fits 85-86 models and plenty others Hondas including my 86
CB-1 (CB 400 F) (NC27) 1989-91
CB-1 (CB 400 F2) (NC27) 1989-91
CB1000 Custom 1982-84
CB1100 R 1980-83
CB650 C Custom (RC05) 1982
CB650 SC Custom 1982-84
CB650 SC Nighthawk (DOHC) 1983-85
CB650 SC Nighthawk (SOHC) 1982
CB750 C Custom 1981-82
CB750 F2C 1982
CB750 F2D 1983
CB750 FB 1981-82
CB750 FC 1982
CB750 FD 1983
CB750 SC Nighthawk 1982-83
CB900 C Custom (SC04) 1980-82
CB900 F 1982-83
CB900 F Hornet (SC48) 2006-07
CB900 F2 1982-83
CBR1000 F 1987-88
CBR600 F 1999-07
CBR600 FS Sport 2001-02
CBX1000 Mono Shock 1981-84
CBX550 F 1982-83
CBX550 F2 1982-83
CBX750 F (RC17) 1984-87
CX500 B 1981
CX500 C Custom 1979-84
CX500 TC Turbo 1982-83
CX650 E Eurosport (RC12) 1983
CX650 T Turbo (RC16) 1983
GL1100 D Gold Wing Deluxe 1981-82
GL1100 Gold Wing Standard 1982
GL1200 D Gold Wing Deluxe 1984-86
GL650 D2 Silver Wing 1983-86
NS400 R 1985-88
VF1000 F 1984
VF1000 F/F2 1985-89
VF1000 R 1984-88
VF1100 C V65 Magna 1983-86
VF1100 S V65 Sabre 1984-85
VF500 F2E (PC12) 1984-85
VF500 F2F (PC12) 1984-85
VF500 FE (PC12) 1984-85
VF500 FF (PC12) 1985-86
VF500 FG (PC12) 1986
VF750 C Magna 1982-84
VF750 F Interceptor 1983-86
VF750 S Sabre 1982-83
VF750 SC Sports 1982-84
VFR700 F 1986
VFR700 F2 1987
VFR750 F (RC24) 1986-87
VT1100 C Shadow 1985-86
 

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Premium Member
1999 Shadow 750 ACE VT750CD3 Modified
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3,251 Posts
I don't have a Service Manual copy for that one.
If you do, it might be worth taking a look at the service limit wear on the piston assembly across the years and seeing if there is a difference there compared to the one you have.
It wouldn't be the first time that a part has multiple part numbers for the same thing and Honda isn't much good in pursuing possible substitutions for older bikes. )-:

I guess worst case scenario is grabbing another year pre-owned master cylinder from the recyclers that matches the appearance of the one you have and rebuilding that with the more commonly available set.
 
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