Do I have to use lock tight on the screw for the servo horn ?

It is not required but is a good idea. Use the blue colored loktite that permits the disassembly.

So the advertisement says adjustable 180 degree control angle but my wiper arm is only moving 90 degrees, what is going on?

I believe the adjustment is just combining both direction limits from the neutral rest point. Im not sure of yer setup, but you may need to adjust the motion range. Im not sure how much further i can assist on this tho. It seems you have to increase the controllers motion range. It could be called on end point adjustment. That tells the controller how far to move in relation to the neutral rest point. I hope this helps lead you in the right direction.

Servo High Torque Metal Gear Standard Digital Servo 25kg 0

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Sold byAmazon KUWAITDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Dominate the track with torque and speed that leave others in the dust!

BUILT TO LAST - Durable metal gears and anodized CNC aluminum shell for superior heat dissipation and longevity.
PRECISION ENGINEERING - High-quality copper & aluminum gears guarantee smooth, accurate movements every run.
LIGHTNING FAST RESPONSE - 0.13-second speed ensures razor-sharp steering and instant reaction times.
UNMATCHED POWER DELIVERY - 25kg.cm torque pushes your RC car beyond limits with precision control.
PERFECT FIT FOR RC ENTHUSIASTS - Standard size fits 1/8 and 1/10 scale RC cars, making upgrades effortless.

The ZOSKAY Servo High Torque Metal Gear Digital Servo delivers a powerful 25kg.cm torque at 6.8V with an ultra-fast 0.13s response time. Engineered with durable metal gears and a CNC aluminum shell for enhanced heat dissipation and longevity, it fits standard 1/8 and 1/10 scale RC cars, offering professional-grade precision and reliability for serious RC racers.

Specifications

ASIN	B01MU7TQV8
Age Range Description	Kid
Best Sellers Rank	#10,125 in Toys & Games ( See Top 100 in Toys & Games ) #3 in RC Servos
Brand Name	ZOSKAY
Color	Black, Orange, Red
Customer Reviews	4.6 out of 5 stars 1,319 Reviews
Educational Objective	Game, play
Included Components	servo set
Is Assembly Required	No
Item Dimensions	0.79 x 1.6 x 1.58 inches
Manufacturer	PRO/ay/ShenZhenShiHuanLeShu technology co., LTD,-ZOSKAY
Manufacturer Maximum Age (MONTHS)	60
Manufacturer Minimum Age (MONTHS)	12
Manufacturer Part Number	DS3218
Material Type	Full Metal Shell
Model Number	DS3218
Number of Players	1
Operation Mode	Automatic
Power Source	Battery Powered
Size	Large
Supported Battery Types	Battery powered
UPC	714424116239
Unit Count	1.0 Count

Reviews

3**G

18.02.2018

R**Y

28.12.2025

R**R

7.09.2020

D**N

16.04.2023

R**C

22.01.2026

H**F

7.02.2019

D**L

20.12.2023

N**.

11.02.2024

A**R

23.11.2017

M**S

18.10.2017

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

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