Biggest rear for the 450E?

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  • Steve
    GS Whisperer
    • Jun 2005
    • 35925
    • southwest oHIo
    #16
    Originally posted by Nessism
    Ya can lead a horse to water but you can't make them drink.
    Well, Ed, we have done what we can.

    All we can do now is to sit back and see if he survives the too-large tire long enough to post his results.

    .
    sigpic
    mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
    hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
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      Comment

      • cowboyup3371
        Forum LongTimer
        Past Site Supporter
        • Apr 2010
        • 13996
        • In Ohio Now
        #17
        Besides rubbing on the swingarm or the fenders, what else could go wrong with a larger sized tire? I think I know the answer but just looking for confirmation.
        Cowboy Up or Quit. - Run Free Lou and Rest in Peace

        1981 GS550T - My First
        1981 GS550L - My Eldest Daughter's - Now Sold
        2007 GSF1250SA Bandit - My touring bike

        Sit tall in the saddle Hold your head up high
        Keep your eyes fixed where the trail meets the sky and live like you ain't afraid to die
        and don't be scared, just enjoy your ride - Chris Ledoux, "The Ride"

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          • Nessism
            Forum LongTimer
            GSResource Superstar
            Past Site Supporter
            Super Site Supporter
            • Mar 2006
            • 35790
            • Torrance, CA
            #18
            Originally posted by Steve
            Well, Ed, we have done what we can.

            All we can do now is to sit back and see if he survives the too-large tire long enough to post his results.

            .
            Steve,
            He's not going to crash out from going over sized on a tire by one or two sizes. Definitely a matter of looks over performance though, although bulging sidewalls are are more dorky than a skinny tire to me.
            Last edited by Nessism; 12-01-2010, 09:10 AM.
            Ed

            To measure is to know.

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            Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

            Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

            KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

              Comment

              • Big T
                Forum LongTimer
                Past Site Supporter
                Super Site Supporter
                • Mar 2005
                • 12392
                • West Slope, OR
                #19
                Originally posted by cowboyup3371
                Besides rubbing on the swingarm or the fenders, what else could go wrong with a larger sized tire? I think I know the answer but just looking for confirmation.
                The wheel rim is too narrow for the tire,pinching the bead and causing the sidewalls to distort and the tread to be more curved than designed. So, you actually end up with less tread on the road (due to the distorted curvature) and you handling gets messed up (back tire tries to lean faster than the front)

                So, you can spoon in whatever fits in the physical space, but it just makes things worse instead of better.

                That's why the wider rim was suggested
                1978 GS 1000 (since new)
                1979 GS 1000 (The Fridge, superbike replica project)
                1978 GS 1000 (parts)
                1981 GS 850 (anyone want a project?)
                1981 GPZ 550 (backroad screamer)
                1970 450 Mk IIID (THUMP!)
                2007 DRz 400S
                1999 ATK 490ES
                1994 DR 350SES

                  Comment

                  • 850 Combat
                    Forum Guru
                    Past Site Supporter
                    • Sep 2006
                    • 6018
                    • Spokane, WA, and Hampden, ME
                    #20
                    Originally posted by Tech7
                    My '80 450E has a 120/90-18 Kenda Challenger (was on it when I bought it) . That's about all I think will fit. It's very close to the swingarm.
                    That is a nice looking bike, Tech. Show us more please.
                    sigpic Too old, too many bikes, too many cars, too many things

                      Comment

                      • gearhead13
                        #21
                        I mounted a 130/80/18 on my 2.15" rear and it was WAY pinched. Looks kinda funny, but its almost worn out now. Im not sure what it does to handling, it was better than my old rubber.
                        I have a 3.5" 1150 rear wheel for it now that I plan to mount a 150/70/17 on.
                        my 2 cents

                          Comment

                          • Tech7
                            #22
                            Originally posted by 850 Combat
                            That is a nice looking bike, Tech. Show us more please.
                            Thanks again. See my post here in the twins section about my renovation. Theres a couple of pics on my profile. Is that a Catherham?
                            Last edited by Guest; 12-01-2010, 10:02 PM.

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