The "19" gear that came with this motor is smaller than the stock "23" gear for oem should i use antway ? The old gear is too big for the shaft.

Check to see if the diameter of the gear is close enough for it to mesh with the other gear without slipping, that would be the main issue. A 19 gear would be slightly smaller than the 23, and would give you a slightly slower speed, but with slightly increased power. (the number is the number of teeth on the gear) I am afraid that it will be too small and will not engage well enough to do the job without slipping, unless you can shim up the motor so it engages better.

The box came with extra pinions, how do i remove the pinion? i have tried heating, hammering, i even purchased a pinion puller. nothing has worked.

Thank you for your question. Some customers recommend this, "Walkera W010 Gear Pinion puller Remover Tool set For RC Motors" that makes it easier, I used a "Needle Nose Pliers and a Door Panel remover." If you think you can't solve the problem, please contact Best Vina

I know these are 24v but can someone tell me if these would work with a 18v power source. Thank you

Yes, even working very good with 12v

Is there a trick to swapping the gears without destroying the motor?

I use a small punch that's smaller than the motor shaft. I use a piece of angle steel with a notch cut into it that's barely bigger than the motor shaft and I tap the motor shaft with the punch and a hammer to drive it out into my lap.

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2 Pcs 550 35000RPM Electric Motor for 24 Volt Kids Ride On Car, RS550 24V Motor Gearbox Accessories for Children Ride On Toys Replacement Parts

Product ID: 118293466

Details

Brand
SHENGLE
Horsepower
35000 watts
Model Name
gear
Speed
35000 rpm
Voltage
24 volts

⚡24V high-voltage power

🔄35000 RPM ultra-fast speed

⚙️Precision 10T gear fit

¥11469

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Upgrade your kid’s ride to pro-level speed and power!

DUAL MOTOR PACK - Double the power with two motors and two gears for seamless performance upgrades.
DURABLE METAL BUILD - Robust metal construction designed to withstand the wildest kids’ rides and long-lasting fun.
TURBOCHARGED 24 V POWER - Unleash maximum torque and speed for your kid’s ride-on adventure.
BLAZING 35000 RPM SPEED - Experience lightning-fast motor rotation that leaves slower motors in the dust.
PRECISION GEAR COMPATIBILITY - 10T 10mm x 10mm gears ensure perfect fit and smooth operation every time.

This SHENGLE RS550 24V electric motor set includes two high-speed 35000 RPM motors with matching 10T gears, designed as direct replacements for children’s ride-on toys. Built with durable metal and precision gear dimensions, these motors deliver enhanced power and speed, making them the perfect upgrade for faster, longer-lasting ride experiences.

Specifications

ASIN	B07MX78PTL
Best Sellers Rank	#217,700 in Toys & Games ( See Top 100 in Toys & Games ) #347 in RC Electric Motors
Brand Name	SHENGLE
Customer Reviews	4.1 4.1 out of 5 stars (354)
Horsepower	35000 watts
Item Dimensions W x H	1.41"W x 1.41"H
Item Weight	450 g
Manufacturer	SHENGLE
Material Type	Metal
Model	MO-24V35000
Model Name	gear
Part Number	MO-24V35000
Shaft Diameter	3 millimeters
Speed	35000 rpm
UPC	694636356992 697865457164
Voltage	24 volts

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