TQ R/C & Hobbies

Tamiya Mini 4WD Asia Challenge 2025 (TMAC 2025)

 

Referring to the announcement made by Tamiya, Inc. in their website : https://www.tamiya.com/english/newstopics/2025/singapore_malaysia_tmac.html regarding the qualification race of Tamiya Mini 4WD Asia Challenge 2025 (TMAC 2025) for Singapore and Malaysia racers, PT Tamindo Plastic Model / TQ R/C and Hobbies, is planning to conduct the qualification race for the racers from Singapore and Malaysia, with the following venue:


Day / Date : Sunday / 08 June 2025
Place : Mall Mangga Dua Square, 1st floor, Hall A
Registration open date: 24 May 2025
Registration closing date: 31 May 2025
Registration google form:

https://forms.gle/ZqUybUaVissSRpbb8

Registration fee: IDR 300,000 per racer, eligible for 20 run

Please kindly note that the organizer reserve full rights to cancel the event should the organizer deem the race participants to be too small and inefficient to conduct the race. We require minimum attendance of 10 racers from each country.  For example, if there is only 10 racers from country X and 2 racers from country Y, then we will only conduct the qualifications from country X only.

Regulation:

1.  Race system is bracket system 4-2-1

Each Racer will buy 1 card for 20 run for Stage 1
Stage 2, each Racer can only have 4 runs
Stage 3, each Racer can only have 2 runs
Stage 4, each Racer can only have 1 run and after this run car will be quarantined

2.  All parts MUST BE Tamiya original parts. 
3.  Racer can use their own rechargeable batteries
4.  Other regulation we will follow TMAC 2025 Stock Class (attached pdf)
5.  Other regulations if not yet stated or unclear, will be informed during the race and all decision from the organizer is FINAL.

Other things to note:

1.  Please note that all racers should bear their own tickets and accomodation to Jakarta.
2.  Winners from the qualifications for position 1-4 from each country, will only be given entry rights. They shall bear their own tickets and accomodations during TMAC 2025 in Taiwan.

21XZ-R ABC

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21XZ-R ABC 21XZ-R ABC

Winner of the 2009 Japan 1/8 scale on-road championships!

Dominate 1/8 scale on-road with the 21XZ-R! It delivers explosive performance — affordably. The 21XZ-R has aggressive timing, yet it starts easily, so you can unleash its race-winning potential right out of the box.

  • Optimally balanced, tungsten-weighted, silicone-filled crankshaft for increased torque, intake efficiency and mid-range speeds.

  • Newly designed 21M slide valve carburetor with four adjustable control settings:
    • Needle valve (High)
    • Mixture control valve (Mid-range)
    • Throttle stop screw (Idle)
    • Metering needle (Low)

  • Cylinder liner with seven scavenger ports and three exhaust ports for increased, efficient combustion.
  • Balanced, lightened piston and a stronger, more durable con rod for high speeds and exceptional performance.
  • Easy tuning and legendary O.S. reliability.

Stock Number: OSMG2040
Displacement: 0.21 cu in (3.5 cc)
Bore: 0.64 in (16.3 mm)
Stroke: 0.66 in (16.8 mm)
Practical rpm: 4,000-45,000
Power Output: 2.7 hp @ 33,000 rpm
Weight: 12.3 oz (348 g) 
13873 21XZ-R Parts Listing

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