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Old 06-14-2014, 06:53 PM   #1
doggitter OP
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Joined: Jan 2014
Location: Elmira, Oar-agin
Oddometer: 1,600
Dualsport-erizing a street bike?

What changes would you make if you were to take a Suzuki GR650 and make it a bit more gravel road/trail worthy? Tires are a given. Building racks pretty much a must. Change the bars? Find a bigger, more suitable tanks? Swap the forks and shocks? Raise it a little(5'8" rider)? Have or make a single exhaust for weight savings and added clearance? What about rake and trail? Would the frame and steering geometry be a massive issue with the occasional easy trail use?

The reason for the GR650 choice is it's narrow, light as far as 650 road bikes go, small to fit me reasonably well, can be had for little outlay, is a decent enough size and power to handle the long distance chores well.

Just how crazy an idea is this??
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Old 06-15-2014, 12:26 AM   #2
caponerd
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Location: Halfway between Munich and Redditch.
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Not crazy at all.
Look up some of the other threads about this type of conversion to see how others have done it (from mild tweaks to full-on dirt bike conversions), and start in on it.

I use a BMW R69S offroad with a simple addition of trials-universal type tires.

Just noticed, you're only about 20 miles from me.
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Old 06-15-2014, 05:15 AM   #3
plugeye
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visit advrider/ bikes/ some assy req'd
http://www.advrider.com/forums/forumdisplay.php?f=83
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Old 06-15-2014, 07:55 AM   #4
doggitter OP
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Location: Elmira, Oar-agin
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Thanks. My rut didn't let me see the build forum, but my eyes are more open now.
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Old 06-15-2014, 08:08 AM   #5
MightyChosen1
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I think its a great idea... Tires and suspension are a must. I had more fun on this beat up old $400 XS-650 than I have had on any of the 30+ bikes I have owned. built it mostly for gravel and dirt roads but rode it thru the trails as well.

I have sold this one but when I build another it will have better front forks and brakes but other than that I was pretty pleased with its handling.

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Old 06-15-2014, 09:20 AM   #6
welder
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The gr's have 35mm forks , there were many dirt bikes with 35's so finding forks wont be an issue. Lots on ebay. I personally would lighten the bike as much as possible. remove all brackets and un necessary parts. The 650 twin will make a good platform for a dirt motor . 50hp and tourquey. Because the bike is a cruiser style the rake could be a problem when turning on gravel
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Old 06-15-2014, 09:29 AM   #7
doggitter OP
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Is changing rake from raising it too high/low in front/rear something critical to worry about?
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doggitter screwed with this post 06-15-2014 at 01:18 PM
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