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Old 03-14-2013, 01:39 AM   #16
Weldangrind   Weldangrind is offline
 
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Quote:
Originally Posted by SpudRider
Quote:
Originally Posted by Weldangrind
I believe it to be a DB-07A, because of the rear disc brake; the DB-07 has a drum in the rear.

I wish it had aluminum rims, but I can't get too picky. I checked out the parts list on the Roketa site last night, and they're stupid expensive. I'll be finding other sources.
I'm pretty sure you got a DB-07A. Besides the rear brake rotor, the front wheel is the giveaway. You bike employs the same front wheel as my Zong.

The Roketa wheels have steel rims. The prices might be a little high, but at least you can get parts for your Roketa. The Lifan owners are having a more difficult time. :(

Spud
I'm going to see if an old set of XR200 rims I have will work. If the spoke count is the same, I'll consider lacing the Roketa hubs to the aluminum XR rims. I might even be able to get them powder coated first.

Spud, when you have time, please tell me the length of your Zong forks. I have two other sets of USD forks here, and they're dissimilar lengths. If yours are identical to mine, I'll be able to use the same fork oil volume you used.
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Old 03-15-2013, 12:54 AM   #17
Weldangrind   Weldangrind is offline
 
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Kato, I saw you recommend a 45 tooth sprocket in another thread; would that be best for 55mph? With what size CS sprocket?
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Old 03-30-2013, 04:03 PM   #18
Frog   Frog is offline
 
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Hi Weld,

that looks a great project!

Not sure the internal gearing is the same but I am running 17/45 gearing on my 200 pushrod engine and it is good for 55mph (and maybe a little more) whilst still being usable off road - a good compromise.

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Old 03-30-2013, 04:07 PM   #19
katoranger   katoranger is offline
 
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Weld, I would use a 45T rear. With that I could cruise at 55mph and it would go 60+. It also allows some offroad yet.
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Old 03-31-2013, 11:57 AM   #20
Weldangrind   Weldangrind is offline
 
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Thanks for the replies, guys. To confirm, you both think that a 17 CS sprocket is ideal with a 45 rear?
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Old 03-31-2013, 11:59 AM   #21
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I have a 16 cs and 46 rear on my bike. cruises pretty good at 55.


 
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Old 03-31-2013, 02:16 PM   #22
wilserchinarider   wilserchinarider is offline
 
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Quote:
Originally Posted by Weldangrind
I wish it had aluminum rims, but I can't get too picky.
Sorry Weld, but I kinda found this a little funny. These were like $900 bikes, lucky you got wheels.

A couple years back I bought a Shineray dirt bike (engine donor), very similiar but not the dual sport like yours, might have some parts out in the shed that you could possibly use and have no value to me...post up what you might need and I'll take a look.

The newer lifans came with 17/46, I find this to be pretty good all around street / light trail gearing, max speed 60-65 MPH depending on wind and tide.


 
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Old 03-31-2013, 03:56 PM   #23
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You're right, of course. I'm just glad that the wheels are round.

Side panels! Do you have any?
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Old 03-31-2013, 08:27 PM   #24
wilserchinarider   wilserchinarider is offline
 
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Drivers right side panel I have, NOT the left w/ the battery box. From the pics looks like you need the left battery side not the exhaust side panel.


 
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Old 03-31-2013, 09:29 PM   #25
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17/45 seems to be a good combination. I tried a 42 rear and it was too tall unless you ride on the flat.
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Old 03-31-2013, 09:44 PM   #26
culcune   culcune is offline
 
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Quote:
Originally Posted by katoranger
17/45 seems to be a good combination. I tried a 42 rear and it was too tall unless you ride on the flat.
I have yet to install my 15 front to go with the 40 rear, but things like that tend to take time :P

I got the 15 rather than 16 due to its low cost.
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Old 04-01-2013, 12:27 AM   #27
Weldangrind   Weldangrind is offline
 
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Quote:
Originally Posted by katoranger
17/45 seems to be a good combination. I tried a 42 rear and it was too tall unless you ride on the flat.
It came with a 17/46; is it worth changing?
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Old 04-01-2013, 12:55 AM   #28
Weldangrind   Weldangrind is offline
 
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It runs! Man it's ugly, but it runs. Click the pic.

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Old 04-01-2013, 01:05 AM   #29
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Congratulations! That bike was very lucky to find a good home with you, Weld.

Spud
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Old 04-01-2013, 01:44 AM   #30
Weldangrind   Weldangrind is offline
 
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Thanks, Spud.

Does anybody know if these motors have automatic cam chain tensioners? I have no experience with OHC China motors.
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