Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Zonsen(Zongshen) 250cc OHC Air Cooled Engine For Atomik Thumpstar Dirt Bike MotorbikeDescription: Genuine Zonsen(Zongshen) 250CC vertical engine with kick electric start It is a direct bolt on replacement for most Chinese dirt bikes running 200 250cc single cylinder air cooled motors such as Thumpstar, Atomik, DHZ, Foxico, XTM, etc Specifications: Type: 1 cylinder, vertical, 4 stroke, air cooled kick start and electric start OVER HEAD CAM Bore x Stroke: 65mm x 67mm Displacement: 229ml Max. Power & Corresponding Speed: 11. 5KW 7500rpm
Description:
- Genuine Zonsen(Zongshen) 250CC vertical engine with kick/electric start
- It is a direct bolt on replacement for most Chinese dirt bikes running 200-250cc single cylinder air cooled motors such as Thumpstar, Atomik, DHZ, Foxico, XTM, etc
Specifications:
- Type: 1-cylinder, vertical, 4-stroke, air-cooled kick start and electric start - OVER HEAD CAM
- Bore x Stroke: 65mm x 67mm
- Displacement: 229ml
- Max. Power & Corresponding Speed: 11.5KW/7500rpm
- Max. Torque & Corresponding Speed: 17.5N.m/5000rpm
- Min. Fuel Consumption: <367g w.h="" pollutant="" index:="5.5" g/km="" (co),="1.2g/km" (hc)="">
- Clutch Type: Manual wet clutch
- Start Mode: kick start and electric start
- Compression: 9.0:10
- Engine Oil: 900ml, 15W/40-SE, 4 stroke
- Oil GEARS: 5 SPEED MANUAL CLUTCH, 1 down 4 up
- SPROCKET: 15T 428 CHAIN
- Dimension: 458 x 358 x 324mm
-
Weight: 35kg
Listing includes:
- 1 x ZONGSHEN 250CC VERTICAL ENGINE
- 1 x Kick Starter Lever
- 1 x Gear Shift Lever
- 1 x Manifold set Package
- Wiring loom harness (option only)
- Kill switch (option only)
- Key switch/ 2keys (option only)
- NGK spark plug (option only)
- CDI (option only)
- Coil with lead (option only)
- Rectifier (option only)
- Solenoid (option only)
- JK PZ30 carby (outlet diameter: 30mm, bolt eye-eye: 48mm, bolt diameter: 6.5mm) (option only)
- air filter 42mm (may vary depending on stock availability)(option only)
Important note:
- Zongshen has rebranded to Zonsen — it's the same company under a new name. The engine you will receive may bear the marking or logo of either ZONGSHEN or ZONSEN, or it may not have any logo at all.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 376 reviews
Sort
Product Reviews
★★★★★ 1
This version doesn’t work
I used these 2 nights in a row. I was hoping Oracoat found a solution to the problem people like me have with the regular Xylimelts: irritation of gums. As others have noted the “sensitive” version doesn’t melt and the goo that remains can be difficult to remove. I didn’t have too much trouble after the first night. However, the second day after use, it was so hard to get the remains out, I wound up with a very sore spot from digging it out. I will toss the rest.
It’s too bad this effort fizzled. I hope Oracoat will find a solution For sensitive mouths. In the b meantime, I will use the original for a few nights and then stop before repeating. The idea behind the original product is fantastic. Unfortunately this attempt to make it usable for people with sensitive mouths hasn’t worked. Please try again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2025
★★★★★ 5
Helped with Dry Mouth
Followed the instructions on the box and everything turned out amazing! Absolutely love the results and relief I felt
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
★★★★★ 3
An improvement over the original product, but could be better
I had used the original Xylimelts a few years back for my night time very dry mouth. They worked very well, completely dissolving overnight, but they caused sores inside my cheeks. Recently I discovered this new version which was purported to be made without the offending ingredients. They don't work quite as well, as they don't completely dissolve, but so far haven't caused any irritation. My mouth isn't completely parched as it was without any product, so it is definitely better than nothing. There is a gel-like residue in the morning that needs to be scraped off the teeth. I think Oracoat has some more R & D to do.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 25, 2025
★★★★★ 4
These work well!
These work to keep my mouth moist for hours. The only downside is the glue stays in your mouth till you can scrape it out with your finger. I thought it would dissolve but it didn’t. Very grateful to find something that moistens my mouth for so long though. They’re easy to use too. Taste slightly sweet but otherwise I didn’t notice anything.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 8, 2024
★★★★★ 5
Xylimelts Sensitive
I was sensitive to the regular Xylimelts after a few months use. Painful gums and hives inside my lips and cheeks. The sensitive version immediately corrected the problem and I’ve been using them without issue for nearly a year. The product is a lifesaver for drymouth that occurred when I was sleeping.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026