Top 10 recommendation honda 125cc engine for 2022

When you want to find honda 125cc engine, you may need to consider between many choices. Finding the best honda 125cc engine is not an easy task. In this post, we create a very short list about top 10 the best honda 125cc engine for you. You can check detail product features, product specifications and also our voting for each product. Let’s start with following top 10 honda 125cc engine:

Product Features Editor's score Go to site
Ambienceo Lifan Complete Engine 125cc Long Case 4 Stroke 1P52FMI-K (124cm3) Dirt Bike Engine Motor Carb Complete Kit for Honda XR50 CRF50 XR CRF 50 70 Ambienceo Lifan Complete Engine 125cc Long Case 4 Stroke 1P52FMI-K (124cm3) Dirt Bike Engine Motor Carb Complete Kit for Honda XR50 CRF50 XR CRF 50 70
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JCMOTO 125cc Engine 4 Stroke Motor Semi-Auto for Honda XR50 CRF50 XR CRF 50 70 SDG SSR 110 CT70 ST70 Dirt Pit Bike Motorcycle JCMOTO 125cc Engine 4 Stroke Motor Semi-Auto for Honda XR50 CRF50 XR CRF 50 70 SDG SSR 110 CT70 ST70 Dirt Pit Bike Motorcycle
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TMS Lifan 125cc 1P52FMI-K Engine Dirt Bike Motor Carb Complete for Honda XR50 CRF50 XR CRF 50 70 ATC70 Z50 CT70 CL70 SL70 XL SDG Dirt Pit Bike Motorcycle TMS Lifan 125cc 1P52FMI-K Engine Dirt Bike Motor Carb Complete for Honda XR50 CRF50 XR CRF 50 70 ATC70 Z50 CT70 CL70 SL70 XL SDG Dirt Pit Bike Motorcycle
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125cc 4 stroke Pit Dirt Bikes Engine Motor w/Manual Transmission Kick Start For XR50 CRF50 Z50 XR 50 70 CRF 50 Pitbike UPGRADE Taotao SSR Coolster X-Moto Roketa 50cc 70cc 110cc 125cc Dirtbikes 125cc 4 stroke Pit Dirt Bikes Engine Motor w/Manual Transmission Kick Start For XR50 CRF50 Z50 XR 50 70 CRF 50 Pitbike UPGRADE Taotao SSR Coolster X-Moto Roketa 50cc 70cc 110cc 125cc Dirtbikes
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ZXTDR 125cc Engine 4 Stroke Motor Semi-Auto for Honda XR50 CRF50 XR CRF 50 70 SDG SSR 110 CT70 ST70 Dirt Pit Bike Motorcycle ZXTDR 125cc Engine 4 Stroke Motor Semi-Auto for Honda XR50 CRF50 XR CRF 50 70 SDG SSR 110 CT70 ST70 Dirt Pit Bike Motorcycle
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125cc 4-stroke ATV Engine Semi-Auto Transmission w/Reverse, Electric Start for most China made 125cc ATVs & upgrading 50cc-110cc ATVs Roketa Taotao Kazuma Coolster Lance BMS Linhai Tank Lynx etc 125cc 4-stroke ATV Engine Semi-Auto Transmission w/Reverse, Electric Start for most China made 125cc ATVs & upgrading 50cc-110cc ATVs Roketa Taotao Kazuma Coolster Lance BMS Linhai Tank Lynx etc
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ZXTDR Lifan 125cc Engine Motor for Honda XR50 CRF50 XR CRF 50 70 ATC70 SDG SSR 110 ATC70 Z50 CT70 CL70 SL70 XL ST70 Dirt Pit Bike Kawasaki Apollo Motorcycle ZXTDR Lifan 125cc Engine Motor for Honda XR50 CRF50 XR CRF 50 70 ATC70 SDG SSR 110 ATC70 Z50 CT70 CL70 SL70 XL ST70 Dirt Pit Bike Kawasaki Apollo Motorcycle
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ATV Carburetor PZ19 with Fuel Filter and 35mm Air Filter for 50cc 70cc 80cc 90cc 110cc 125cc ATV Dirt Pit Bike Taotao Honda CRF By LIAMTU ATV Carburetor PZ19 with Fuel Filter and 35mm Air Filter for 50cc 70cc 80cc 90cc 110cc 125cc ATV Dirt Pit Bike Taotao Honda CRF By LIAMTU
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TC-Motor Red Aluminum Engine Skid Plate For Honda XR50 CRF50 Pit Dirt Bike 50cc 70cc 90cc 110cc 125cc 140cc Lifan YX SSR Thumpstar Coolster Taotao Apollo Kayo TC-Motor Red Aluminum Engine Skid Plate For Honda XR50 CRF50 Pit Dirt Bike 50cc 70cc 90cc 110cc 125cc 140cc Lifan YX SSR Thumpstar Coolster Taotao Apollo Kayo
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WPHMOTO 125cc 4-Stroke Semi-Auto Electric Start Motor Engine Single Cylinder Air Cooled for ATV Quad Go Kart Motorcycle Dirt Pit Bike WPHMOTO 125cc 4-Stroke Semi-Auto Electric Start Motor Engine Single Cylinder Air Cooled for ATV Quad Go Kart Motorcycle Dirt Pit Bike
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Reviews

1. Ambienceo Lifan Complete Engine 125cc Long Case 4 Stroke 1P52FMI-K (124cm3) Dirt Bike Engine Motor Carb Complete Kit for Honda XR50 CRF50 XR CRF 50 70

Feature

Long case complete engine with 4 stroke 4 speed 1P52FMI
Engine Dimensions: 470275280 mm Long case; Easy to install.
This complete kit comes with: 1P52FMI engine, Intake manifold, Carburetor, CDI, coil, kick starter, spark plug, shifter, wire harness
Displacement: 125cc ;Type: 4-stroke single-cylinder, air cooled.Ignition: CDI;Compression ratio:
100% new engine good quality with available after sale policy

Description

Feature:

Model: 1P52FMI-K (124cm3)
Displacement: 125cc
Type: 4-stroke single-cylinder, air cooled.
Displacement: 119.7ml
Bore*Stroke: 52.4mm*55.5mm
Compression ratio: 9.0:1
Primary reduction (hand clutched): 3.722
Max. Net Power & Rotating Speed: 6.5kw/7500r/min
Rated Power & Rotating Speed: 5.6kw/7500r/min
Max. Torque & Rotating Speed: 8.0N.m/5000r/min
Idling Speed: 1500r/min
Fuel Consumption: 367g/kw.h
Ignition: CDI
Starter: Kick starter
Lubrication: Pressure/splash
Oil capacity: 900ml
Transmission: 4-speed, constant mesh
Size: 450 (L) x 290 (W) mm
should be add the engine oil

Fitment:

This motor should fit the following models:
HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50

Note: This is not a guarantee, if you are unsure, please ask your local dealer.

Package Included:
1x LIFAN 125CC 1P52FMI ENGINE
1x Kick Starter Lever
1x Gear Shift Lever
1x Carburetor
1x Intake Manifold
1x Wiring Harness
1x CDI
1x Ignition Coil
2x Intake Gaskets

2. JCMOTO 125cc Engine 4 Stroke Motor Semi-Auto for Honda XR50 CRF50 XR CRF 50 70 SDG SSR 110 CT70 ST70 Dirt Pit Bike Motorcycle

Feature

This 125cc Semi-Auto Engine suitable for Honda 50 and 70 serial motorcycle
Speed complete racing engine, 3 forward 1 reverse gear
Upgrade your stock 50cc to this 125cc monster, you can feel the power difference immediately
See below description for more specifications and wiring

Description

Specifications:

Displacement: 125cc

Type: Horizontal, single-cylinder, 4-stroke, air-cooled

Compression ratio: 9.0: 1

Front sprocket 420 - 17mm - 14T

Transmission: 4-speed 1 down 3 up

Bore x Stroke: 2.06" x 2.19"(52.4mm x 55.5mm)

Top Engine Mount : 92mm

Bottom Engine Mount: 82mm

Bolt to Bolt :152mm (6")

Rated Power & Rotating Speed: 5.8 kw/7500r/min375 r/min

Max. Torque & Rotating Speed: 8.5 N.m/5000r/min250 r/min

Idle speed 1500 r/min100r/min

Ignition: CDI


Wiring:

1. Five wires (Plug): For gear indicator

2. Yellow wire: For storage battery

3. Pink (or Yellow) wire: For storage battery

4. Black & Red wire: For signal trigger

5. Green wire: For grounding

6. Blue & White: For trigger coil


Fitment:

This motor should fit the following models:

HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50

However, for some year and model, you may need a rear bracket to make it fit.

3. TMS Lifan 125cc 1P52FMI-K Engine Dirt Bike Motor Carb Complete for Honda XR50 CRF50 XR CRF 50 70 ATC70 Z50 CT70 CL70 SL70 XL SDG Dirt Pit Bike Motorcycle

Feature

NEW RACE HIGH PERFORMANCE ENGINE, 1 Down 3 UP w/Clutch, 4 Stroke 4 Speed Complete Racing Engine
A bolt-in replacement/ upgrade for the XR50/ CRF50
This complete kit comes with: 1P52FMI engine, intake manifold, carburetor, CDI, coil, kick starter
This complete kit comes with spark plug, shifter, wire harness

Description

Specification: Model: 1P52FMI-K(124cm3) Type: 4-stroke single-cylinder, air cooled Displacement: 119.7ml Bore*Stroke: 52.4mm*55.5mm Compression ratio: 9.0:1 Primary reduction(hand clutched): 3.722 Max. Net Power & Rotating Speed: 6.5kw/7500r/min Rated Power & Rotating Speed: 5.6kw/7500r/min Max. Torque & Rotating Speed: 8.0N.m/5000r/min Idling Speed: 1500r/min Min. Fuel Consumption: 367g/kw.h Ignition: CDI Starter: Kick starter Lubrication: Pressure/splash Oil capacity: 900ml Transmission: 4-speed 1 down 3 up manual clutch (1-N-2-3-4) Size: 470x275x280mm This Motor should fit the following models: HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50 /

4. 125cc 4 stroke Pit Dirt Bikes Engine Motor w/Manual Transmission Kick Start For XR50 CRF50 Z50 XR 50 70 CRF 50 Pitbike UPGRADE Taotao SSR Coolster X-Moto Roketa 50cc 70cc 110cc 125cc Dirtbikes

Feature

125cc Pit Bikes Engine Motor. Top Quality Guaranteed.
UPGRADE A POWERFUL ENGINE FOR YOU BELOVED BIKE!!!! Brand New 125cc high performance race engine. Upgrade your stock 50cc 70cc 110cc 125cc pit bike motorcycle, you can feel the power difference immediately. Ride faster, jump higher!!!! We offers with this engine of the newest generation all tuning & racing fans best quality and highest performance state-of-the-art!
The engine comes with a high-quality cylinder head made from aluminum, a reinforced kick starter axle and extra large valves! Furthermore it comes with a high-quality 4-speed Gearshift! With 6.2 kW by 8500 rpm the engine reaches more than the triple performance of a standard CRF50 engine. Brand New High Quality Engine 125cc 4-stroke Dirt Bike Engine with Manual Transmission, Kick Start

Compatible Vehicles:
Engine Manual 125cc fits most Chinese made Dirt Bike 50cc 70cc 90cc 110cc 125cc. It is good idea if you like to either replace your old engine or upgrade your Pit Bike to be faster or more powerful.

Compatible Models Such As: XR50, CRF50, Z50, XR 50 70, CRF 50, Blade, Kinroad, Roketa, KPX, SUNL, Aimex, Alpha sports, BMS, BMX, Cool Sports, Baja, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, KMD, Kymco, Lance, Linhai, NST, Redcat, Roketa, Tank, X-Treme, Yamati, Coolster, Terminator, Lynx etc. Note: This is not a guarantee, if you are unsure, please check with your local dealer.
PLEASE NOTE: Please measure the physical size to be sure you get the correct one.

This engine assembly comes with Start lever, Shift lever, Intake Pipe, Drive Sprocket, Sprocket cover & Spark Plug, but doesn't come with Carburetor, Battery, CDI, Voltage Regulator, Ignition Coil etc. Best of all, it comes with High quality aluminum cylinder head and iron cylinder body.

Description

125cc 4-stroke Pit bikes Dirt Bike Engine Motor with Manual Transmission Kick Start 50cc 70cc 110cc 125cc Dirtbikes
UPGRADE A POWERFUL ENGINE FOR YOU BELOVED BIKE!!!! Engine Mode: ZS154FMI-3
Engine Name: BS125
Engine Type: Singlecylinder,4-stroke,air-cooling,horizontal
Displacement(ml): 123.7
Dimension(mm*mm*mm): 457x313x352
Net Weight(kg): 23.5
Max.Power(kw.r.min): 6.2.(8500+-5%)
Max.Torque (N.m.r.min): 8.5*(7500+-5%)
Compression Ratio: 9.3: 1
Bore and Stroke(mm*mm): 54*54
Ignition method: CDI
Lubrication method: Pressure and Splash
Min.Fuel Consumption(g|Kw.h): is equal or lesser than 367
Starting method: Kick
Clutch method: Manual Wet Multi-Plate
Gearshift Method: Constant mesh, two stage transmission,4-speed Gearshift
Chosen model: standard model
Applicable Motorcycle Type: Cub-type motorcycles, cross-country vehicle for children, ATV

The quality engine system production complies with the requirements of ISO9001:2000. All the engines have passed the 200-hour enhanced durability bench test and the 20000 km road test. All engines have the identification, gears and oil labels. It also obtained the DOC authorization. You can purchase with confidence.

5. ZXTDR 125cc Engine 4 Stroke Motor Semi-Auto for Honda XR50 CRF50 XR CRF 50 70 SDG SSR 110 CT70 ST70 Dirt Pit Bike Motorcycle

Feature

This 125cc Semi-Auto Engine suitable for Honda 50 and 70 serial motorcycle
Speed complete racing engine, 3 forward 1 reverse gear
Upgrade your stock 50cc to this 125cc monster, you can feel the power difference immediately
See below description for more specifications and wiring

Description

Displacement: 125cc

Type: Horizontal, single-cylinder, 4-stroke, air-cooled

Compression ratio: 9.0: 1

Front sprocket 420 - 17mm - 14T

Transmission: 4-speed 1 down 3 up

Bore x Stroke: 2.06" x 2.19"(52.4mm x 55.5mm)

Top Engine Mount : 92mm

Bottom Engine Mount: 82mm

Bolt to Bolt :152mm (6")

Rated Power & Rotating Speed: 5.8 kw/7500r/min375 r/min

Max. Torque & Rotating Speed: 8.5 N.m/5000r/min250 r/min

Idle speed 1500 r/min100r/min

Ignition: CDI


Fitment:

This motor should fit the following models:

HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50

However, for some year and model, you may need a rear bracket to make it fit.


Wiring:

1. Five wires (Plug): For gear indicator

2. Yellow wire: For storage battery

3. Pink (or Yellow) wire: For storage battery

4. Black & Red wire: For signal trigger

5. Green wire: For grounding

6. Blue & White: For trigger coil

6. 125cc 4-stroke ATV Engine Semi-Auto Transmission w/Reverse, Electric Start for most China made 125cc ATVs & upgrading 50cc-110cc ATVs Roketa Taotao Kazuma Coolster Lance BMS Linhai Tank Lynx etc

Feature

125cc Engine Motor. Top Quality Guaranteed. Limited Time Offer. It is good idea if you like to either replace your old engine or upgrade your ATV to be faster or more powerful! Great! Ride Safe and Have Fun!
High Quality 4 Stroke Engine, Semi Automatic Transmission w/Reverse, electric start. It fits most China made 125cc ATVs and can be used for upgrading 50cc-110cc ATVs.
The quality engine system production complies with the requirements of ISO9001:2000. All the engines have passed the 200-hour enhanced durability bench test and the 20000 km road test. All engines have the identification, gears and oil labels. It also obtained the DOC authorization. You can purchase with confidence.
Material: High quality aluminum cylinder head and iron cylinder body. This engine assembly comes with Intake Pipe, Drive Sprocket, Sprocket cover & Spark Plug, but doesn't come with Carburetor, Battery, CDI, Voltage Regulator, Ignition Coil etc. Transportation: The oil in the engine will be drained out and the engine will be repackaged to avoid leaking before shipping. We package the engines with five-layer anti-earthquake carton boxes to ensure the items arrive in perfect condition.

Description

125cc Semi-Auto w/Reverse ATV Engine Motor for 50cc 70cc 90cc 110cc Quad 4 Wheeler

Engine Model: 308-999021;
Ignition Method: CDI;
Engine Type: Single Cylinder, 4-Stroke, 2-Valve;
Lubrication Pressure/splash;
Cooling System: Air Cooled;
Fuel Supply: Carburetor Atomization;

Horsepower:7.64HP/7000-8000Rpm (5.7KW/7000-8000Rpm);
Starter: Electric Starter;
Max.Torque: 8.0N.m/5000-6000rpm;
Transmission: Semi Automatic (3 forward,1 reverse);
Min. Stable Idle Speed: 1350-1650r/min;
Clutch: Automatic Multi-plate Wet Clutch;

Min. Fuel Consumption: 9.65oz/HP.h (367g/Kw.h);
Cylinder Diameter: 2.13" (54mm);
Carburetor Model:PZ22;
Piston Stroke: 1.95" (49.5mm);
Carburetor Type: Plunger type carburetor;
Bore & Stroke: 2.13" x 1.95" (54mm x 49.5mm);

Spark Plug Model: A7TC;
Cylinder Working Volume: 0.03 Gallon (120ml);
Fuel No.:>= 87#;
Compression Ratio: 9.0:1;
Lubrication Model: SF15W/40-SE;
Ignition Type: CFW;
Lubrication Capacity: 0.20 Gallon (900ml);

Compatible Vehicles:
125cc all size ATVs
Compatible Models: Such as Blade, Kinroad, Roketa, KPX, SUNL, Aimex, Alpha sports, BMS, BMX, Cool Sports, Baja, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, KMD, Kymco, Lance, Linhai, NST, Redcat, Roketa, Tank, X-Treme, Yamati, Coolster, Terminator, Lynx etc.

PLEASE NOTE: Please measure the physical size to be sure you get the correct one.

Top Quality Guaranteed. Great Price. Fast Shipping. Good Service.

Why our customers choose us:
1. Fast Delivery
2. Know you're getting the right parts.
3. Great prices.
4. Great value.

7. ZXTDR Lifan 125cc Engine Motor for Honda XR50 CRF50 XR CRF 50 70 ATC70 SDG SSR 110 ATC70 Z50 CT70 CL70 SL70 XL ST70 Dirt Pit Bike Kawasaki Apollo Motorcycle

Feature

High performance Lifan 125cc engine, 1 down 3 up, manual clutch, 4 stroke 4 speed, with 15T 428 chain sprocket
Replacement / upgrade for Honda XR50 CRF50, Kawasaki KX KLX , SSR, Apollo and other most popular dirt bikes
This kit comes with 1P52FMI engine, intake manifold, kick starter, manifold kit
Easy to hook everything up: Just remove your existing engine and reverse the process to put the new one in
See below Product Description for more specifications

Description

Type: 1-cylinder, horizontal, 4-stroke, air-cooled

Bore x Stroke: 52.4mm x 55.5mm

Displacement: 119.7ml

Compression: 9.0:10

Rated Power & Rotating Speed: 5.6kw/7500r/min

Max. Power & Corresponding Speed: 6.5KW/7500rpm

Max. Torque & Corresponding Speed: 8.0N.m/5000rpm

Idling Speed: 1500r/min Min

Fuel Consumption: 367g/kw.h

Clutch Type: Manual clutch

Starter: kick start

Ignition: CDI

Oil capacity: 900ml

Sprocket: 15T 428 chain

Transmission: 4-speed(Manual clutch) 1 down 3 up

Dimension: 470 x 275 x 280mm

Weight: 21kg


Engine Kit including:

1 x Lifan 125cc engine

1 x Kick Starter Lever

1 x Gear Shift Lever

1 x intake manifold

1 x Manifold hardware kit

8. ATV Carburetor PZ19 with Fuel Filter and 35mm Air Filter for 50cc 70cc 80cc 90cc 110cc 125cc ATV Dirt Pit Bike Taotao Honda CRF By LIAMTU

Feature

PZ19 cable choke
35mm Air filter
Fits for 50cc 70cc 90cc 110cc 125cc ATV Dirt Bike and Go Kart Horizontal Engine
Come with 19mm Carb with Hand Choke and 35mm Air Filter
The air filter interface outside diameter:37mm. Intake inside diameter:19mm

Description

Package included:
1 x PZ19 CARBURETOR
1 x 35MM Air Filter
2 x Adjusting Shims
1 x Rubber Ring

Fits:
4 Stroke 49cc-125cc Spiderman Replica Mini Bikes

Baja BA90
Baja 50 Dirt Runner DR49 DR50 DR70 DR90 Warrior 49 WR49
Baja 90 Canyon 90 U CN90-U Baja Wilderess 90 WD90/Trail 90 WD90 U with VIN prefix LE8S
and other 4 stroke 49cc-125cc horizontal engine(only for hand choke carb)

Honda ST70
Honda NH80
Honda CT90 CT110
Honda XL75 1977-1979
Honda TRX70 1986-1987
Honda Aero 80 1983-1985
Honda ST90 Trailsport 90 1973-1975
Honda CRF50 CRF50F 50cc 2008-2012
Honda CT70 Trail 1971-1982 Honda XL70
Motovox MVX70
Kandi 110
Kazuma Meerkat 50cc all year
Kazuma Falcon 110 Panda 110 Lacoste 110
Panterra 50cc 70cc 80cc 90cc 110cc
Redcat 50cc 110cc
Sunl 70 90 110
SSR 72cc 80cc 110cc 125cc
Taotao 4 stroke 49cc 50cc-125cc(horizontal engine,NOT for GY6 Engine)
X15 X16 X17 X18 X19 X22 Super Bike

9. TC-Motor Red Aluminum Engine Skid Plate For Honda XR50 CRF50 Pit Dirt Bike 50cc 70cc 90cc 110cc 125cc 140cc Lifan YX SSR Thumpstar Coolster Taotao Apollo Kayo

Feature

This Aluminum Engine Skid Plate For Honda CRF50 / XR50 2000-2007 Pit Dirt Bikes.
It Also Widely Used On Many Brands Of 50cc 70cc 90cc 110cc 125cc 140cc Chinese Pit Dirt Bikes,Such As SSR,YCF,IMR,Atomik,Thumpstar,BSE,Apollo,Kayo,Stomp,Piranha,DHZ,GPX,Pitster Pro,SDG,Braaap,Taotao,Coolster,Lifan,YX,Ect.And Many Other Chinese Brands.
Please Note It's Not For The Electric Start Engine Pit Dirt Bikes. / Please Compare Your Stock Engine Skid Plate With The One In Our Listing Before Order.
Item Shipped From China
Arrival Within 7-15 Business Days

Description

Product Description:
Conditon:New
Quantity:1 pc
Quality:Guaranteed Good Quality.
Fitment:Red Aluminum Engine Skid Plate For Honda XR50 CRF50 Pit Dirt Bike 50cc 70cc 90cc 110cc 125cc 140cc Lifan YX SSR Thumpstar Coolster Taotao Apollo Kayo
Excellent Customer Service

10. WPHMOTO 125cc 4-Stroke Semi-Auto Electric Start Motor Engine Single Cylinder Air Cooled for ATV Quad Go Kart Motorcycle Dirt Pit Bike

Feature

4 Stroke Engine, Semi Automatic (3 forward, 1 reverse), electric start, single cylinder
Front sprocket: 420 - 17mm - 14T, Ignition Method: CDI
Top Engine Mount: 3.62'', Bottom Engine Mount: 3.23'', Bolt to Bolt: 5.98", Bore x Stroke: 2.06" x 2.19''
Max Torque & Rotating Speed: 8.5 N.m/5000r/min250 r/min
Suitable for Honda 50 and 70 serial motorcycle, fits 125cc, or for upgrading 50cc-110cc

Description

Displacement: 125cc

Type: Horizontal, single-cylinder, 4-stroke, air-cooled

Compression ratio: 9.0: 1

Front sprocket: 420 - 17mm - 14T

Transmission: 4-speed 1 down 3 up

Bore x Stroke: 2.06" x 2.19"(52.4mm x 55.5mm)

Top Engine Mount: 92mm

Bottom Engine Mount: 82mm

Bolt to Bolt: 152mm (6")

Rated Power & Rotating Speed: 5.8 kw/7500r/min375 r/min

Max. Torque & Rotating Speed: 8.5 N.m/5000r/min250 r/min

Idle speed 1500 r/min100r/min

Ignition: CDI


Fitment:

This motor should fit the following models:

HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2

/ ST 90K1 / CS 90 / SL 90 / ZB 50

However, for some year and model, you may need a rear bracket to make it fit.


Motor Wiring:

1. Five wires (Plug): For gear indicator

2. Yellow wire: For storage battery

3. Pink (or Yellow) wire: For storage battery

4. Black & Red wire: For signal trigger

5. Green wire: For grounding

6. Blue & White: For trigger coil

Conclusion

All above are our suggestions for honda 125cc engine. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using honda 125cc engine with us by comment in this post. Thank you!