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Yokomo YZ-2

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Old 11-11-2021, 01:35 AM   -   Wikipost
R/C Tech ForumsThread Wiki: Yokomo YZ-2
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
Last edit by: lexusbest
Welcome to the YZ2 Wiki!


Features for the lastest specification YZ-2DTM3.1
  • Long specification for dirt Main chassis Inheriting the chassis cut of dirt specification, it is longer with the same wheelbase as CAL3.
  • Aluminum front suspension mount.
  • Z2-DTM2B F2 body.
  • JConcepts ASTRO High Clearance 7inch Wing.
Features for the lastest specification YZ-2CAL3.1
  • Long specification main chassis for carpets. Long wheelbase that enables even higher speeds.
  • Steel front suspension mount.
  • Z2-DTMBL S2 Lightweight body.
  • Z2-CAL2W LMR Wing.
Common features for the lastest specification YZ-2DTM3.1 / YZ-2CAL3.1
  • The conventional position and the position of the suspension arm pin 1 mm higher can be selected on the front and back of the front suspension mount.
  • Bulkhead integrated side plate with increased rigidity.
  • The kingpin position has been changed with the new steering hub carrier, the axle position has been lengthened by 1 mm, and a steering stopper has also been added.
  • Battery holder that is easy to adjust according to the height of the battery.
  • Separate the rear mount base and upper arm holder to increase the flex around the rear and improve traction.
  • Z2-018-5 5-hole shock mounting specification Rear shock tower.
  • S4-S1S 3.0mm shaft specification front shock.
  • S4-S1M 3.0mm shaft specification rear short shock.
  • S4-008R5B L5 / LD Rear suspension arm (Φ3.5 pin).
  • Z2-01069 Rear universal shaft (69mm bone).

Setup Sheets can be found here

DT CA DTM parts comparison

YZ2T Tranny Conversion List

YOKZ2-300RFT
YOKZ2-302CT
YOKZ2-302T
YOKZ2-304T
YOKZ2-503I
YOKZ2-0023

CAL3 manual
DTM3 manual



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Old 02-01-2015, 11:28 PM
  #421  
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Hi guys,

Loving the build on mine so far, one query, is it ok/usual to have a lot of float in the front spindle king pins... Eg they move up and down vertically a fair bit in the hub?
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Old 02-02-2015, 01:16 AM
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Mine moves quite a bit there doesn't seem to affect the driving. But I'm going to try and pull some slop out.
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Old 02-02-2015, 03:21 AM
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Originally Posted by Ultraspeed84
My car was little loose but I just put 2mm washer on rear camera link on tower side, then I moved shock all way in on rear arm, short wheel base, and 0 spacers on front tower.
Can you post a full setup sheet? What kind of surface are you racing on?
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Old 02-02-2015, 06:09 AM
  #424  
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Originally Posted by pumpkinfish
Can you post a full setup sheet? What kind of surface are you racing on?
Should be posted a few pages back, and it's medium Bite dirt. Indoor
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Old 02-02-2015, 11:48 AM
  #425  
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This is the set-up i used at Amain.com/Outback Raceway. Car was extremely good!
Attached Files
File Type: pdf
Yz-2 set up- Sheet. .pdf (485.9 KB, 384 views)
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Old 02-03-2015, 05:03 PM
  #426  
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Anybody using the 1.6 tapered pistons.
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Old 02-04-2015, 12:35 AM
  #427  
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Yes.
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Old 02-04-2015, 03:41 PM
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Here is a quick blog post on my car. I have let a couple people drive it and they are sold. So far extremely impressed. I have not been serious about racing in a long time, and I think this car just gave me the itch I needed to get back into this game.

http://blog.amain.com/yokomo-yz-2-setup/
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Old 02-04-2015, 06:46 PM
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Great day of practice. Car is hooked up at LSR. Car works everywhere I race. Will not have an issue going from track to track. Will get more testing again tomorrow.
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Old 02-05-2015, 10:07 AM
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Originally Posted by DaveG28
Hi guys,

Loving the build on mine so far, one query, is it ok/usual to have a lot of float in the front spindle king pins... Eg they move up and down vertically a fair bit in the hub?


I used Axle shims and put 2 on the top outside of the spindle and that took care of it
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Old 02-05-2015, 10:10 AM
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Schelle B5 spacers work great to fix slop.

Link here
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Old 02-05-2015, 12:04 PM
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My car is good up here. Could use a bit more forward bite but I dont want to give up any on power steering to get it. Steering feels so direct and precise, like running a 1/12th car.

Went to a Losi yellow rear spring as the car felt like it was dumping over on power at corner exit, and went to 0 zero ballstud washers in front to calm the front just a hair on entry.
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Old 02-05-2015, 01:34 PM
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Well looks like not enough interest for MIP to make aluminum pucks for our cars. Back to the machinist I shall go. I have 4 sets of the 10 I need to send to him to make the run of lightening the outdrives.
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Old 02-05-2015, 08:05 PM
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Originally Posted by joehundy
I used Axle shims and put 2 on the top outside of the spindle and that took care of it
I used 1 washer between top spindle and bushing took all slop out
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Old 02-05-2015, 08:12 PM
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Another great day of practice. Motor and gearing is perfect. My testing is with Tekin motors only. They run differently than other motors. The car acts like it wants a slightly stiffer spring front and rear. Currently on Kyosho whites all around. Once I'm confident in the setup I will post it.
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