03 9344 1564 | support@thumpstar.com.au
Carrito 0

3899 | YX 140cc Electric Start Engine Complete Assembly

$699.00 MSRP

Crate Price | Ride Away + $300 MSRP

Pay for your purchase over four equal installments, due every two weeks payment of $174.75 Afterpay

Database

Description

DESCRIPTION

Original YX140cc, this is our top selling engine, with high performance and economy now in electric start.

it's a perfect replacement engine or custom builds or upgrades.

why thumpstar

Frequently Asked Question

HIGHLIGHTS

  • Original Yinxiang
  • Universal CRF50 Engine Mount
  • 16mm Kick Start Shaft
  • Includes Kick Start, Manifold, Gear Lever, Front Sprocket

SPECIFICATIONS

ENGINE & TRANSMISSION
Engine YX | 4 Stroke
CC Rating 140cc
Gearbox Manual | 4 Speed (N1234)
Starter Kick/Electric
Carburetion Mikuni VM22 26mm (not included)
Exhaust CRF Bend
Final Drive 420 or 428
Top Speed 90kph / 55mph (depending on gearing)
Mounting Universal CRF50
Stator Connection Type 6 Pin Plug (see photo)
Cooling Air or Oil Cooled
Front Sprocket 428 x 15
Packaging Size (LxWxH) N/A
Weight 25 kg
Oil 10w 40 - 4 Stroke Motorcycle Oil (1 Litre)

RECOMMENDATIONS

  • Carburetor: VM22 with Main #100 and Pilot #22.5
  • Throttle: Recommend part number #3003 or others will also work
  • Throttle Cable: Depends on length required - double tip cables are best.
  • Clutch Cable: Start in any gear type
  • Kick Start: MX bottom pivot type is best
  • Lighting Setup: Will need to purchase a lighting stator, wiring harness and voltage regulator 
  • Oil Cooler: YX type oil cooler lines (after many tests we found the oil cooler is not necessary for this engine)
  • Stator Guard: Recommend CNC type #9212 will need updated flywheel cover or cut a small piece from cover for fitment

 

No Reviews!

Paypal

You can send your payment here: https://paypal.me/thumpstar

Afterpay - Shop now, Pay Later

Click this link for Afterpay: Afterpay

Credit cards & Debit cards (Will require a photo of a ID card for all paypal and credit card purchases): We accept Paypal, Visa, Master Card payments through our website. Our checkout pages are encrypted using SSL, Credit Cards are verified in real time using Paypal and checked again via Riskified to ensure maximum security.

Online Banking: Payments can be made by direct credit bank transfers. Simply Checkout, and click bank deposit option, you will then be emailed an invoice, remember to use your order number as a reference. Order over the Phone: To make an order over the phone, simply call 03 9344 1564 International +61 0393 44 1564 to speak with one of our friendly customer service team. They can email you an invoice directly and will be able to help you with any questions you may have, as well as placing orders over the phone.

We have ANZ and Commonwealth Bank Accounts for direct deposits.

Motorcycle Shipping

To purchase a Thumpstar Motorcycle or Engine you can order here direct, we are based in Perth, Western Australia, we offer freight Australia Wide to Startrack Depot or Business Address.

As soon as your order is confirmed you will receive a confirmation, then expect your tracking number within 2 days time.

Thumpstar Australia Contact Details

  • Thumpstar Australia Dealer #26768
  • +61 3 9344 1564
  • support@thumpstar.com.au
  • 3 Barnett Court,
  • Morley, WA 6062,
  • Australia

Parts

To order parts please visit Thumpstar international parts ordering website parts.thumpstar.com.au

Notes

If you are in Perth you are welcome to visit Thumpstar Australia’s Shop – No Limits Moto, they have a full range of parts and motorcycles on display. Can also order parts over the phone direct from them by calling - 08 9276 1330

We DO NOT Ship Thumpstar Motorcycles outside of New Zealand or Australia

Email us at support@thumpstar.com.au if you have any questions.

About Our Company

Genuine Thumpstar the original mini bike brand that started in Australia back in 2004, we have extensive knowledge on all mini bike related inquiries.

Help Ordering

If you are unsure on ordering a part, we recommend watching our Youtube video under Info/Video tab or visiting our workshop section, if you still need help then please contact us.

Phone: +61 3 9344 1564

Email: support@thumpstar.com.au

DESCRIPTION

Original YX140cc, this is our top selling engine, with high performance and economy now in electric start.

it's a perfect replacement engine or custom builds or upgrades.

why thumpstar

Frequently Asked Question

HIGHLIGHTS

  • Original Yinxiang
  • Universal CRF50 Engine Mount
  • 16mm Kick Start Shaft
  • Includes Kick Start, Manifold, Gear Lever, Front Sprocket

SPECIFICATIONS

ENGINE & TRANSMISSION
Engine YX | 4 Stroke
CC Rating 140cc
Gearbox Manual | 4 Speed (N1234)
Starter Kick/Electric
Carburetion Mikuni VM22 26mm (not included)
Exhaust CRF Bend
Final Drive 420 or 428
Top Speed 90kph / 55mph (depending on gearing)
Mounting Universal CRF50
Stator Connection Type 6 Pin Plug (see photo)
Cooling Air or Oil Cooled
Front Sprocket 428 x 15
Packaging Size (LxWxH) N/A
Weight 25 kg
Oil 10w 40 - 4 Stroke Motorcycle Oil (1 Litre)

RECOMMENDATIONS

  • Carburetor: VM22 with Main #100 and Pilot #22.5
  • Throttle: Recommend part number #3003 or others will also work
  • Throttle Cable: Depends on length required - double tip cables are best.
  • Clutch Cable: Start in any gear type
  • Kick Start: MX bottom pivot type is best
  • Lighting Setup: Will need to purchase a lighting stator, wiring harness and voltage regulator 
  • Oil Cooler: YX type oil cooler lines (after many tests we found the oil cooler is not necessary for this engine)
  • Stator Guard: Recommend CNC type #9212 will need updated flywheel cover or cut a small piece from cover for fitment

 

No Reviews!

Paypal

You can send your payment here: https://paypal.me/thumpstar

Afterpay - Shop now, Pay Later

Click this link for Afterpay: Afterpay

Credit cards & Debit cards (Will require a photo of a ID card for all paypal and credit card purchases): We accept Paypal, Visa, Master Card payments through our website. Our checkout pages are encrypted using SSL, Credit Cards are verified in real time using Paypal and checked again via Riskified to ensure maximum security.

Online Banking: Payments can be made by direct credit bank transfers. Simply Checkout, and click bank deposit option, you will then be emailed an invoice, remember to use your order number as a reference. Order over the Phone: To make an order over the phone, simply call 03 9344 1564 International +61 0393 44 1564 to speak with one of our friendly customer service team. They can email you an invoice directly and will be able to help you with any questions you may have, as well as placing orders over the phone.

We have ANZ and Commonwealth Bank Accounts for direct deposits.

Motorcycle Shipping

To purchase a Thumpstar Motorcycle or Engine you can order here direct, we are based in Perth, Western Australia, we offer freight Australia Wide to Startrack Depot or Business Address.

As soon as your order is confirmed you will receive a confirmation, then expect your tracking number within 2 days time.

Thumpstar Australia Contact Details

  • Thumpstar Australia Dealer #26768
  • +61 3 9344 1564
  • support@thumpstar.com.au
  • 3 Barnett Court,
  • Morley, WA 6062,
  • Australia

Parts

To order parts please visit Thumpstar international parts ordering website parts.thumpstar.com.au

Notes

If you are in Perth you are welcome to visit Thumpstar Australia’s Shop – No Limits Moto, they have a full range of parts and motorcycles on display. Can also order parts over the phone direct from them by calling - 08 9276 1330

We DO NOT Ship Thumpstar Motorcycles outside of New Zealand or Australia

Email us at support@thumpstar.com.au if you have any questions.

About Our Company

Genuine Thumpstar the original mini bike brand that started in Australia back in 2004, we have extensive knowledge on all mini bike related inquiries.

Help Ordering

If you are unsure on ordering a part, we recommend watching our Youtube video under Info/Video tab or visiting our workshop section, if you still need help then please contact us.

Phone: +61 3 9344 1564

Email: support@thumpstar.com.au