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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Hipa 1122-120-0621 Carburetor Kit for Stihl 064 MS660 MS650 Chainsaw Replaces 1122-120-0623 WJ-67A WJ-67BModel Fit Guide Parts for Stihl Chainsaw 064 MS660 MS650 MS 660 650 Carburetor Replaces 1122 120 0623, 1122 120 0621 , Walbro WJ 67A, WJ 67B , Zama C3A S31, Tillotson HS 320A Hipa Youtube Video Product Specifications Chainsaw won't start? Starts then stalls? Runs rough? Hesitates before accelerating? Blows black smoke? RPM is surging up and down? Or leaks gas from the air filter? If your chainsaw is suffering from these common engine problems, Hipa's
Model Fit Guide
| Parts for Stihl Chainsaw | 064 MS660 MS650 MS 660 650 |
| Carburetor Replaces | 1122 120 0623, 1122 120 0621 , Walbro WJ-67A, WJ-67B , Zama C3A-S31, Tillotson HS-320A |
Hipa Youtube Video
Product Specifications
Chainsaw won't start? Starts then stalls? Runs rough? Hesitates before accelerating? Blows black smoke? RPM is surging up and down? Or leaks gas from the air filter?
If your chainsaw is suffering from these common engine problems, Hipa's carburetor repair kit offers you the ultimate solution. DIY with 1,000,000+ Hipa members to get your chainsaw up and running like new again, once and for all.
If your chainsaw is suffering from these common engine problems, Hipa's carburetor repair kit offers you the ultimate solution. DIY with 1,000,000+ Hipa members to get your chainsaw up and running like new again, once and for all.
Adjusters on carburetors
● Drain screw: used to drain the fuel out of the carburetor.
● Idle mixture screw: controls the intake of fuel to adjust the engine for optimum running.
● Idle speed screw: controls the intake of air to adjust the engine’s idle speed.
● High-speed screw: adjustment for high speed.
● Low-speed screw: adjustment for low speed.
● Turn clockwise to decrease the RPM (revolutions per minute) while turning counterclockwise is for increasing the RPM. The amplitude for each adjustment is 1/4 turn.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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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
4.8 ★★★★★
Based on 1981 reviews
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Product Reviews
★★★★★ 5
It works! Quality pillow.
Size: Standard (1 Count), Color: Original White (Cooling)
This does actually provide a cooling effect, and it's very comfortable! The accompanying literature is helpful too. I believe this to be a quality pillow for the price.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Most comfortable pillow I’ve ever slept on
Size: Queen (1 Count), Color: Crescent White(cooling)
This is the most comfortable pillow I have ever slept on. It doesn't mash down like other pillows. Cradles my neck perfectly plus it’s cool. I broke my neck a couple of years ago and this pillow feels very good and comfortable. Definitely recommend to everyone. Ive used it since May and it’s retained its shape.
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Smell
Size: Queen (2 Count), Color: Original White (Cooling)
The fact that there are not more comments on the smell of these pillows has me worried about some of yall. Listen, I LOVE the weight, and the firmness, it’s perfect for that. However, these pillows are RANK. They have a very strong mildew-ish smell that lingers. I took the outer cover off and washed it and let the pillow air out for a few days, the smell is still very strong when you press your face against it, which one does because it is in fact designed for that purpose. It smells so bad. It’s nauseating. I can smell it through two pillowcases and blanket that I threw on top of them hoping an extra layer would trap the smell. I’ll bake them in the Texas sun tomorrow and hope that helps, because otherwise these are the perfect pillows for someone who wants to feel like they are hugging a torso but can’t stand the sound/feel of someone else breathing. I don’t know…4 stars, if the smell goes away I’ll come back.
Update: many many days later. Either they don’t really smell anymore or I got use to it. They’ve held their firmness and shape well. I like them.
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Reviewed in the United States on March 9, 2026
★★★★★ 5
Actually Cooling Pillow
Size: Queen (1 Count), Color: Original White (Cooling)
This is a really nice pillow, I was worried it would be too soft or too firm but it's just right and it's actually cooling, it feels cool every time I touch it. I've noticed an improvement in sleep since using it. Would recommend!
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Repurchased in King Size – Still Love These Cooling Pillows
Size: King (2 Count), Color: Original White (Cooling), Size: King (2 Count), Color: Original White (Cooling)
After using the queen-size version of these pillows for over a year, we purchased the king-size set when we upgraded to a king mattress. Both my husband and I really like them.
The cooling feature works well, and we like that each side feels different—when I run cold, I use the softer bamboo side, while my husband prefers the cooler side since he tends to sleep hot. They fit well in our king-size pillowcases and feel supportive in all sleeping positions, whether I’m on my stomach, side, or back.
I also appreciate that you can remove some of the filling to adjust the firmness. The covers are washable, which makes them easy to maintain. Overall, we’re very happy with this repurchase and the long-lasting comfort.
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Reviewed in the United States on April 15, 2026