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Old 04-25-2016, 01:23 PM   #961
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For those whom are running their YZ4 on clay and dirt tracks what arms are working out the best. S4? Also is the narrow belt with the aluminum pulleys preferred over the standard rear belt and plastic pulleys. I like the idea concerning the front skid in using the YZ2 front skid through mod to the front hanger (shaving a tad of the backside thus allowing the YZ2 front bump skid to fit. Oh! front caster blocks per clay and dirt 10 degree or 12.5.

Thank you
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Old 04-25-2016, 02:01 PM   #962
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For those whom are running their YZ4 on clay and dirt tracks what arms are working out the best. S4? Also is the narrow belt with the aluminum pulleys preferred over the standard rear belt and plastic pulleys. I like the idea concerning the front skid in using the YZ2 front skid through mod to the front hanger (shaving a tad of the backside thus allowing the YZ2 front bump skid to fit. Oh! front caster blocks per clay and dirt 10 degree or 12.5.

Thank you
AS far as caster blocks go I ended up using the 15 degree from the BMax4 to keep the car from pitching all of its weight forward during braking which caused me to loose rear grip in tight corners.
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Old 04-25-2016, 03:35 PM   #963
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Thanks JC! Are u running the rear narrow belt and aluminum pulleys? Wondering if the standard belt will work on the aluminum narrow pulley set? Probably a stupid question but better to ask than assume.
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Old 04-26-2016, 06:38 AM   #964
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Last weekend my rear skinny belt became so loose that I had to switch to the thick belt to prevent skipping. I had left my tensioners at home.
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Old 04-27-2016, 05:43 AM   #965
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Check the top shaft bearings, the one on my car exploded.

Do all the pulllies have the same number of teeth/diameter? Can you mix and match them?
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Old 04-27-2016, 02:25 PM   #966
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Anybody give the Ventilated Dual Slipper a try (YOKZ2-670V)? Some hop up fiend probably has tried it.

Looking to replace my slipper pads and stumbled across it.
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Old 04-27-2016, 02:33 PM   #967
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Originally Posted by Norse View Post
For those whom are running their YZ4 on clay and dirt tracks what arms are working out the best. S4? Also is the narrow belt with the aluminum pulleys preferred over the standard rear belt and plastic pulleys. I like the idea concerning the front skid in using the YZ2 front skid through mod to the front hanger (shaving a tad of the backside thus allowing the YZ2 front bump skid to fit. Oh! front caster blocks per clay and dirt 10 degree or 12.5.

Thank you
I have so much power that I did not notice a difference when I switched to the narrow belt. I tried the gullwing arms on dirt and did not like the lazy turn in steering so went back 2 flat. I am running narrow yz2 rear arms and stock flat front . I run on low grip potato dirt .
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Old 04-27-2016, 02:35 PM   #968
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Anybody give the Ventilated Dual Slipper a try (YOKZ2-670V)? Some hop up fiend probably has tried it.

Looking to replace my slipper pads and stumbled across it.
I have it ... It is very smooth .
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Old 04-28-2016, 08:35 PM   #969
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anyone else have a problem getting the battery wire to not rub the belt using the lmr center mount? should the battery wire holes be in back or closer to slipper?

do the front,center,rear pullies all have the same number of teeth?
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Old 04-28-2016, 11:11 PM   #970
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anyone else have a problem getting the battery wire to not rub the belt using the lmr center mount? should the battery wire holes be in back or closer to slipper?

do the front,center,rear pullies all have the same number of teeth?
Looking at pictures of Lee & Marc's cars, they're running the wires at the back.

I'm pretty sure all of the pulleys have the same number of teeth.
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Old 04-29-2016, 03:34 AM   #971
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Wires at the back.
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Old 05-15-2016, 06:50 PM   #972
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Ran my yz4 at a couple of races on loose loamy dirt and noticed it recovers from a slide better in the turns with the rear shocks mounted on the front of the rear arm... Any one else notice this ? I also was surprised that the rear traction felt the same..
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Old 05-16-2016, 05:59 AM   #973
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Ran my yz4 at a couple of races on loose loamy dirt and noticed it recovers from a slide better in the turns with the rear shocks mounted on the front of the rear arm... Any one else notice this ? I also was surprised that the rear traction felt the same..
Not really surprised, most 4 wheel drive cars have the arms solely on the front. The 4 wheel drive allows it to pull it's self back into shape much better then a 2 wheel buggy.
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Old 05-16-2016, 07:30 AM   #974
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Not really surprised, most 4 wheel drive cars have the arms solely on the front. The 4 wheel drive allows it to pull it's self back into shape much better then a 2 wheel buggy.
I finally put the 5 degree blocks up front like you suggested. Wow. The car is amazing.
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Old 05-17-2016, 07:46 PM   #975
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I am not gonna lie, these things sure look sexy!
I have a lot to think about before fall season comes around...
If I do get a wheeler it's looking like either a 22-4 2.0 or the YZ4...
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