Motor service

Arrma Mojave 6S BLX EXB · ARA7704V3

Arrma Mojave 6S BLX EXB, ARA7704V3; original equipment covered by the cited edition.

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Manufacturer inspection and maintenance guidance. Detailed removal and rebuild steps are not indexed from this page.

Regular maintenance, PDF p. 24 (opens in a new tab)
Maintenance guidance · ARA7704V3-MANUAL-ML.pdf

Parts, tools and consumables

Listed in the reference

Lightweight motor-bearing oilconsumable
Requirement source, PDF p. 24 (opens in a new tab)

Part links open an exact-model OEM listing. Quantities, reused hardware and condition-dependent replacements may need checking in the manual. A listed part is not an instruction to replace it.

Setup specifications

Motor: Spektrum Firma 4074 2050Kv Brushless MotorStock
Sources
Source 1: horizonhobby.com (opens in a new tab)
Motor size: 4074 canStock
Sources
Source 1: horizonhobby.com (opens in a new tab)
Motor mount material: Aluminum. Stock ARA320468 mount visually identified in exact ARA7704V3 technical pack page 1.Stock
Sources
Source 1: horizonhobby.com (opens in a new tab)
Source 2: horizonhobby.com (opens in a new tab)
Stock motor shaft: 5 mmStock
Sources
Source 1: spektrumrc.com (opens in a new tab)
Source 2: horizonhobby.com (opens in a new tab)

Keep the axle positions and original units shown. Values describe the cited configuration. Replacement-derived and community figures keep their stated basis.