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Thread: Thoughts on 79 XS1100

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    Default Thoughts on 79 XS1100

    Hey folks. Long time GSR user but haven't been active since my gs850 burned down on the side of the highway... Electrical fire... Looking to get a bike again and have a line on a 79 XS1100. Any one have any experience/thoughts on those bikes?
    Thanks in advance! Y'all have always been a great community and I appreciate your knowledge and feedback.

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    For me, Heavy, kind'f bulky, normal Yamaha trans. problems, I don't know why, but under hard acceleration ie drag racing, the rear really raises up, seems more than other shaft dr. bikes. The XS1100 Special seemed smaller & lighter I'd guess probably pretty good old bikes.
    1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

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    A friend had one of those when I had my first bike, KZ400.... about that time 79-80-81

    Excessive Eleven it was called then.

    He let me ride it. THen he harassed me that I never got it over 5k rpm, and suggested I crank the throttle a lot more.
    Okay.....
    Oh Man, I was not prepared for what happened.

    Yah, noticable rearend jacking up and down from the design of the shaft drive. More straight cut gears, more efficient.
    (Suzuki shaft drive more spiraled gears, needs a big trust bearing, but not the jacking.)

    Had 850G for 14 years. Now have GK since 2005.
    GK at IndyMotoGP Suzuki Display... ... GK on GSResources Page ... ... Euro Trash Ego Machine .. ..3 mo'cykls.



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    The rear end jacking is not because of the gear type. It's the geometry of the rear end.

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    I had one and have to admit, I loved the hell out of it. Rode for 2 plus years, put about 15,000 miles on it. Mine had already had 2nd gear sorted out, and it ran like a raped ape. I had a friend with a VMax (years before I bought one) who talked a lot of trash, but who was a pretty *@%^$*@%^$*@%^$*@%^$ty drag racer. We came off a light one night and I left him behind from light to light. He eventually got over his fear of that bike and I couldn't beat him any longer, but the old XS was a really fun and reliable beast.
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    A buddy has the 79 standard and ive ridden it and beat on it. As for the rear raise..i think its been way over portrayed here. Yes it raises a LITTLE but its not an out of control thing like what been implied...youll love it. Best thing its a shim over bucket arrangement so you do valve adjustments same as on a GS.
    MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
    1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

    NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


    I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

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    850 Combat's Avatar
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    Quote Originally Posted by Nessism View Post
    The rear end jacking is not because of the gear type. It's the geometry of the rear end.
    The jacking ruins the bike in my opinion. By the way, when it was new, a XS11 would pull away from my 850 Commando in a top gear roll on at 60. A GS1000E would not. The GS1000 could catch up eventually, pass, and be gone, given enough road, but lost the roll on. The jacking is fun when you take off. Its like the whole bike leaps. Chopping the throttle entering a turn and losing half your ground clearance es equally exciting but less fun.


    A DS1000G fills in the big hole beloe 5000 RPM the 850 has, and a late 1100G does it better. I;m lucky to have found a 1000G with an '83 1100G motor. Great bike, but I suspect that an XS11 would still out run it.
    Too old, too many bikes, too many cars, too many things


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    A customer of mine just purchased an 80 midnight special a few months back. It seemed to be a very pleasant motorcycle. I didn't ride my GS back to back but it seemed more biased to higher rpm pulling than the grunt my 8 valve 1100 Suzuki has. That could be gearing related, as it did seem less frenetic at 70mph, but his exhaust was quieter and undamaged too so maybe that's another explanation. Had typical repairs, petcocks, intake manifolds, carb clean, fork seals, major brake work, fluids, tires, and air filter. It'd sat since the early 90s. I'll admit the dual petcock and vacuum shutoff mounted to the carbs was a huge mess of unnecessary junk, but that's alright. Overall it seemed to be a very nice bike that I wouldn't turn down for a deal. He gave about a grand, lucky dog.20190801_104924.jpg

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    That's one of the better looking customs I think. Not overdone, good proportions.

    Quote Originally Posted by RedBaron View Post
    A customer of mine just purchased an 80 midnight special a few months back. It seemed to be a very pleasant motorcycle. I didn't ride my GS back to back but it seemed more biased to higher rpm pulling than the grunt my 8 valve 1100 Suzuki has. That could be gearing related, as it did seem less frenetic at 70mph, but his exhaust was quieter and undamaged too so maybe that's another explanation. Had typical repairs, petcocks, intake manifolds, carb clean, fork seals, major brake work, fluids, tires, and air filter. It'd sat since the early 90s. I'll admit the dual petcock and vacuum shutoff mounted to the carbs was a huge mess of unnecessary junk, but that's alright. Overall it seemed to be a very nice bike that I wouldn't turn down for a deal. He gave about a grand, lucky dog.20190801_104924.jpg
    Tom

  10. #10
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    I took a short test ride on a 1100 Midnight Special. Good power, but that EZ-rider chopper vibe just not fo me.
    "Only fe' collected the old way, has any value." from His Majesty O'Keefe (1954 film)
    1982 GS1100G- road bike, body, seat and suspension modded
    1990 GSX750F-(1127cc '92 GSXR engine) track bike, much re-engineered
    1987 Honda CBR600F Hurricane; hooligan bike, restored

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