R100gs R100R The requirement about rebuild ability make it tough.
The R75GS is the one to look for.
In the high-torque, low rev applications common to off-road, R100GS's had a tendency to run hot and pull the cylinder studs, mine did, but it was later shown that on my bike the aluminum cases were also flawed from poor casting, so it became a warranty repair.
Also the paralever drive shaft failed like clockwork at around 25,000 miles (I was on my third when I sold the bike), turns out the taller suspension ran the two u-joints along the shaft through too wide an angle. IIRC the R75 used the same cases but the smaller cylinders were less likely to pull the studs. Also the driveshaft was just a driveshaft, no u-joints.
I don't remember a r75gs, BUT I had the 1981 R80g/s a bit underpowered for 2 up, all day 80mph
I agree with the destruction prone paralever the R80 had the straight driveshaft
i should have never sold that bike nor should I have sold my 1989 Transalp
the Suzuki VStroms are great bikes. I have the 650. for 2 up, the 1000 would be a better choice
good luck on your search
IF you start looking into dual sport bikes, ADVRider.com is the place to go !
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