Forum: Performance
12-14-2021, 10:07 PM
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Replies: 58
Views: 33,345
Do it right
If you machine the jug correctly you'll have high compression which is where you get real power. You'll need an oil cooler for the heat to run 91 octane and a Barnett Clutch for the added power if...
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Forum: Performance
12-14-2021, 10:03 PM
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Replies: 58
Views: 33,345
Pics of my 300
The nicest GZ250 you'll ever see in your life.
https://images.craigslist.org/00d0d_7zivPBE4W0oz_0CI0t2_1200x900.jpg
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Forum: Forum News & Support
11-20-2021, 12:04 AM
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Replies: 34
Views: 38,757
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Forum: Troubleshooting
11-19-2021, 12:00 AM
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Replies: 5
Views: 5,970
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Forum: Instructional Articles
11-18-2021, 11:58 PM
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Replies: 3
Views: 6,577
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Forum: Performance
11-18-2021, 11:50 PM
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Replies: 58
Views: 33,345
I still can't load a pic on this site. It'd be...
I still can't load a pic on this site. It'd be nice.
I just did a big bore with a used Chinese ATV jug and piston I found on ebay for 45 dollars. The jug was over 1mm taller and the sleeve was...
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Forum: GZ250 Media
06-19-2021, 12:43 PM
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Replies: 5
Views: 2,506
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Forum: General GZ250 Talk
06-19-2021, 01:44 AM
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Replies: 10
Views: 4,262
Everything does.
You can ride a bicycle in...
Everything does.
You can ride a bicycle in the mountains.
This question is simply ridiculous. Every single motorcycle ever built can be ridden in the mountains.
Will it be slower than a...
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Forum: General Maintenance
06-18-2021, 08:39 PM
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Replies: 10
Views: 5,052
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Forum: General Maintenance
06-18-2021, 08:37 PM
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Replies: 2
Views: 1,870
Usually the rider.
For electrical...
Usually the rider.
For electrical reliability you might consider LEDs to lower the current draw and a mosfet regrec.
Some .9kg/mm springs from racetech will make it a lot more enjoyable.
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Forum: General Maintenance
06-18-2021, 08:35 PM
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Replies: 3
Views: 1,837
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Forum: General Maintenance
06-18-2021, 08:33 PM
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Replies: 4
Views: 1,540
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Forum: General GZ250 Talk
06-18-2021, 08:31 PM
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Replies: 10
Views: 4,262
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Forum: Troubleshooting
06-18-2021, 08:24 PM
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Replies: 3
Views: 1,296
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Forum: Performance
06-18-2021, 08:16 PM
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Replies: 13
Views: 20,844
"I dont feel safe with it"
My.eyes just...
"I dont feel safe with it"
My.eyes just rolled over twice.
If you feel unsafe because of the volume of you pipes stay home. Good grief
"Needs backpressure" isnt a thing people. Its called...
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Forum: Performance
06-18-2021, 08:13 PM
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Replies: 2
Views: 2,551
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Forum: Performance
06-18-2021, 08:10 PM
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Replies: 3
Views: 2,927
Lol. Acting like Webcam is your local shop...
Lol. Acting like Webcam is your local shop hooking you up is really corny dude.
Yes webcamshafts does have a couple grinds for the dr250 cams. Call them. You will have to come up with a dr core...
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Forum: Performance
06-18-2021, 08:07 PM
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Replies: 4
Views: 2,391
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Forum: Performance
06-18-2021, 08:04 PM
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Replies: 7
Views: 3,298
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Forum: Performance
06-18-2021, 08:00 PM
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Replies: 1
Views: 1,864
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Forum: Performance
06-18-2021, 07:26 PM
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Replies: 58
Views: 33,345
It's literally a jug and piston swap and it's...
It's literally a jug and piston swap and it's absolutely practical. The jetting will be nearly the same. The o.p. of this thread way overcomplicated shit and made a lot of guesses and mistakes...
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Forum: Performance
06-18-2021, 01:00 AM
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Replies: 58
Views: 33,345
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Forum: Performance
06-17-2021, 09:18 PM
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Replies: 58
Views: 33,345
With all due respect there's really not much...
With all due respect there's really not much instruction here on how to do this. Anyone can say "I built a 300 and it's faster now". No shit man. If anything this thread is a warning of what not to...
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Forum: General GZ250 Talk
06-15-2021, 10:36 PM
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Replies: 1
Views: 1,476
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Forum: Member Introductions
06-02-2021, 01:26 AM
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Replies: 1
Views: 1,203
Gee Zee Three
Hi, thanks for providing a GZ specific forum.
I scooped up an 03 with 111 miles on it.
Welp. Was just about to post some pics but the forum doesn't support pics that are larger than the size of...
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