Inverted 750 fork legs into a 1989 1100? - Suzuki GSX-R Motorcycle Forums Gixxer.com

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post #1 of 12 (permalink) Old 03-19-2019, 05:00 PM Thread Starter
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Inverted 750 fork legs into a 1989 1100?

Hi everybody,

Does anyone know if the fork legs from a 750 (inverted) can be used in a 1989 1100 clamps?

Will the wheel & brakes fit?

Cheers.

C.
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post #2 of 12 (permalink) Old 03-19-2019, 11:35 PM
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Re: Inverted 750 fork legs into a 1989 1100?

the overall fork lengths are probably different, the wheels and brakes will work. all the info is here, do a search or look in the parts interchange stickies
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post #3 of 12 (permalink) Old 03-20-2019, 11:06 AM
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Re: Inverted 750 fork legs into a 1989 1100?

Straight answer is no. 750 inverted fork leg at the clamp measure 5xmm (50 or 52?) and the 89 1100 right side up forks were 4xmm (43 pretty sure?). Therefore not a straight fit and then you are modding pieces to fit wheels brakes below.

Try and locate the inverted forks clamps and all will bolt in as an assembly. Putting the 750 forks in there will change the 1100 steering figures as those 750 forks are a little shorter than the 1100 and can only be slid down so much.
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post #4 of 12 (permalink) Old 03-20-2019, 12:47 PM Thread Starter
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Re: Inverted 750 fork legs into a 1989 1100?

Thank you. I did a pretty good search, including the interchange sticky, but could not get around the right info.

IŽll try to look for a set... if at all.


Does the inverted fork work much better than the "standard" fork, or does it provide any advantage (in addition to the looks)?

C.
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post #5 of 12 (permalink) Old 03-20-2019, 10:02 PM
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Re: Inverted 750 fork legs into a 1989 1100?

Quote:
Originally Posted by Carlitox33 View Post
Does the inverted fork work much better than the "standard" fork, or does it provide any advantage (in addition to the looks)?

C.
more adjustability, more rigidity, looks cooler
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post #6 of 12 (permalink) Old 03-23-2019, 12:08 PM
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Re: Inverted 750 fork legs into a 1989 1100?

the front wheel and calipers will work, but the forks, triple clamps, bars and fender will be different/required.

if you have fairings, it's best to buy the 1990-1998 gsxr 1100 upside/inverted front-end, since the handle bars are mounted above the triple clamps, whereas, the 750's handle bars are mounted underneath the top triple clamp. otherwise, the handle bars will hit the fairing.
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post #7 of 12 (permalink) Old 03-31-2019, 04:46 PM Thread Starter
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Re: Inverted 750 fork legs into a 1989 1100?

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Originally Posted by 86gixxxer View Post
the front wheel and calipers will work, but the forks, triple clamps, bars and fender will be different/required.

if you have fairings, it's best to buy the 1990-1998 gsxr 1100 upside/inverted front-end, since the handle bars are mounted above the triple clamps, whereas, the 750's handle bars are mounted underneath the top triple clamp. otherwise, the handle bars will hit the fairing.
Thank you!

I managed to find some 1990 inverted forks and the triple clamps. I guess these are the ones you referred to right?

Will my Ž89 wheels & brakes (& the rest of the bike) work with these?

Thank you!

C.
Attached Images
File Type: jpg barras 1100.jpg (287.5 KB, 3 views)
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post #8 of 12 (permalink) Old 03-31-2019, 04:50 PM Thread Starter
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Re: Inverted 750 fork legs into a 1989 1100?

https://www.ebay.es/itm/TIJA-DIRECCI...ba1f%7Ciid%3A1Here goes the triple clamps pix
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post #9 of 12 (permalink) Old 04-03-2019, 01:20 PM Thread Starter
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Re: Inverted 750 fork legs into a 1989 1100?

I need help, please. Can someone confirm if these 1100 1990 forks will fit my 1989 1100 bike?

They are quite cheap, and IŽll lose them if I donŽt give a fast reply.

Thank u!

C.
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post #10 of 12 (permalink) Old 04-07-2019, 01:51 PM
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Re: Inverted 750 fork legs into a 1989 1100?

yes they will fit ,but for the swap you Žll need .
triple trees
front spindle
fender and related parts
clip ons
steerind damper clamp
your calipers

your wheel
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post #11 of 12 (permalink) Old 04-15-2019, 12:08 PM
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Re: Inverted 750 fork legs into a 1989 1100?

yes, those 1100 forks will work on your 89 1100, but like ghostrider mentioned, you will also need a complete set of triple clamps, handle bars, front fender, and front axle (your axle will work, but it is a bit shorter).

it's best to buy a complete set, or just begin buying the parts separately.

your 89 1100 stock front end should be fine, unless you are really pushing/racing, or are having issues/problems. USD front ends do make a handling improvement, especially compared to the stock first gens (41mm forks, no real adjustments and 18inch wheels), which is why i converted all of my first gen 750's to USD front ends.

here is a recent foto of one of my first gen 750's, when i was fitting a new front tire. it's best to buy a complete front-end. the 750 and 1100 triple clamps are different and NOT interchange-able.
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File Type: jpg IMG_0406 copy.jpg (607.2 KB, 1 views)
File Type: jpg IMG_0409 copy.jpg (578.1 KB, 1 views)
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post #12 of 12 (permalink) Old 04-15-2019, 01:05 PM
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Re: Inverted 750 fork legs into a 1989 1100?

Anyone put 07 1k frt and rear end on a 86 750? Parts sorta fell in my lap so I bought em. I bought them complete, triple clamps, brakes, wheels/tires..I have a lathe and mill so making stuff is no issue.
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