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Post by TheNoisePolluter on Dec 9, 2004 17:10:58 GMT -5
Viza Gearbox Identification Guide:
G3 gearbox
#35 chain 9 Tooth drive sprocket (front) 20 Tooth rear sprocket (black/fixed) 48 Link chain on Cruze 50 link chain on Viper & Venom Freewheels inside gearbox (one-way bearing) 18T Rear sprinter sprocket 23T Rear climber sprocket
G4 Gearbox
BMX Type chain 8 Tooth drive sprocket (front) 18 Tooth rear sprocket (bronze/gold, ratcheting) 40 Link chain - all models Freewheels on rear (driven) sprocket 16T Rear sprinter sprocket 20T Rear climber sprocket
G5 Gearbox
#35 Chain 10 Tooth drive sprocket (front) 22 Tooth rear sprocket (bronze/gold, ratcheting) 50 Link chain on Cruze 52 Link chain on Venom, Viper Free wheels on rear (driven) sprocket 9T Front climber sprocket 11T Front sprinter sprocket
NOTE: Given the differences in chain type, and where the "free wheeling" occurs, none of the optional sprockets are interchangeable. You cannot combine any of the "optional" climber or sprinter sprockets between G3, G4, or G5 gearboxes.
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Post by NHCA on Dec 9, 2004 18:40:46 GMT -5
There is also the G6 gearbox. I think its the same as the G5 except the gearbox output shaft has a flat spot on it instead of the notch for the key on the G3, G4 and G5.
The G6 gearbox is only on the "new" Vipers made after 2001. They can be identified by the front fender. (the old Viper doesn't have the front fender)
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Post by smallman15 on Dec 10, 2004 9:47:49 GMT -5
which gear box is the best
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Post by TheNoisePolluter on Dec 10, 2004 13:37:04 GMT -5
They all work out the same, although with a G4, since it used BMX chain and rear sprocket and if you have a powerful engine you can get a 12T for the rear and you can gain alot of top speed or you can get a 32T sprocket and have extreme acceleration(would be good for peeling out on icie streets at this time of year) but you will loose a few mph on top speed.
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Post by smallman15 on Dec 10, 2004 18:28:46 GMT -5
o
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Matt
Full Member
Posts: 221
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Post by Matt on Dec 13, 2004 16:34:48 GMT -5
Yea the G6 gearbox is very similar to the G5. NHCA is right the G6 uses a keyway on the output. Other than that i haven't found anything else.
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Post by NHCA on Dec 13, 2004 17:51:59 GMT -5
A keyway is when the shaft is round and you use a key.
The G6 uses a simicircle shaped shaft (its like when the moon is at 3/4)
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Post by TheNoisePolluter on Jan 5, 2005 21:58:36 GMT -5
I'm sick my trans all it does is leak oil and then it makes this anoying rubbing noise and then I have to fill it up and I put epoxy glue all over and its forced the oil out and gets out some how and the trans is cracked and glued with epoxy I have money for a new one, unless its like $20-$30, ScooterSport should have made a billet trans case and with a stronger drive shaft and longer lasting gears and a new O-ring gasket system that wont leak.
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Post by NHCA on Jan 5, 2005 22:34:18 GMT -5
The Viza gearbox uses oil seals not O-rings.
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Post by TheNoisePolluter on Jan 6, 2005 12:37:24 GMT -5
No, like they should have one solid o-ring thing like they do on juice boxes that goes around the (right here when i was typing the doorbell rang and my opti-2 oil just arived !wow! ) trans and has that half of a pipe indintation and a little nudge to take the tube o-ring out then there would be no leaks.
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Post by NHCA on Jan 6, 2005 19:29:40 GMT -5
I don't get it.
I have disassembled and reassembled my G5 gearbox many times. (and now I have 3 extra gearbox halves, maybe G6 and G5 But I'm not sure) (they came as parts with my Red Viper) If you could tell me which they are Matt, I'd appreciate it.
So anyway, the 2 case halves use a paper gasket and there are 2 oil seals for where the shafts stick out. Both oil seals are inside the gearbox, one it behind the drive sprocket and the other is behind the clutch drum. These oil seals are the type with the specialy shaped rubber part and a spring inside. If you are going to take an oil seal out or put one in, they are VERY delicate and can easily be ruined. If the gearbox is opened up, the oil seals are behind the bearings. So you won't be able to see them without removing the bearing. Also prying the gearbox open with anything else other than a couple of steel spackle spatulas will put dents in the edges of the case and cause leaks.
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Post by TheNoisePolluter on Jan 7, 2005 20:59:38 GMT -5
No, the cases are all the same, its the bottom (biggest gear) and the shafts that are different.
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Post by TheNoisePolluter on Jan 7, 2005 21:57:11 GMT -5
An o-ring set up like on juice boxes and x-cans would be the best kind of gasket set up see like in this picture I drew the o-ring and the brown/red paper gasket. the dam imageshack won't host my picture.
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Post by TheNoisePolluter on Jan 8, 2005 19:46:57 GMT -5
Here we go....
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Post by NHCA on Jan 8, 2005 20:13:28 GMT -5
The o-ring one can get damaged if it pops out of its track and its more expensive too
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