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Stirlingkit P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine Models & HM-01
Stirlingkit P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine Models & HM-01, view 2Stirlingkit P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine Models & HM-01, view 3Stirlingkit P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine Models & HM-01, view 4Stirlingkit P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine Models & HM-01, view 5Stirlingkit P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine Models & HM-01, view 6
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P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine Models & HM-01

$99–$115

In stock at stirlingkit.com

💡 Take Full Control of Your Engine's Power Transmission Tired of your engine straining during pull-starts because the belt is always locked to your drive setup? The OKMO P51 Friction Clutch Pulley adds a true manual clutch system to your miniature engine—allowing you to start load-free, idle smoothly, and engage…

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Version
for OKMO Engine (Small) P51 · for Retrol HM-01 Engine Only (Bigger) P54

Price and stock from stirlingkit.com, refreshed daily. We may earn a commission if you buy.

P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine… at a glance

BrandStirlingkit
Price$99–$115
Options2 versions
AvailabilityIn stock at stirlingkit.com
Couponstart
ReturnsThe about page lists a 30-day return or exchange. All returns need an RMA requested via…

Price check

At $99, the P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine… is mid-range for Stirlingkit, whose 2,729 listed products run $0.54 to $11,000.

Similar items from other brands we track run $13 to $258.

About this product

From Stirlingkit's product listing:

💡 Take Full Control of Your Engine's Power Transmission Tired of your engine straining during pull-starts because the belt is always locked to your drive setup? The OKMO P51 Friction Clutch Pulley adds a true manual clutch system to your miniature engine—allowing you to start load-free, idle smoothly, and engage power only when you’re ready. ⚠️ Perfect Fit Assurance: Precision-engineered specifically for OKMO 1110 , 1140 , B02 , Z01 , N01 and 916 models and fully compatible with all new OKMO models, including B03 through B12. . Direct replacement with zero shaft or mounting hole modifications required. 💡 Compatibility Note: We do not recommend using this accessory on Lister D or B01 models. For important installation tips and compatibility details, please check out our Blog Notes before setting up your workbench! Subsequent batches of the Lister D will come equipped with welded

Buying from Stirlingkit

Stirlingkit is a good source for hobbyists who want running miniature engines, Stirling and steam models, and build kits that most toy stores never carry. Skip it if you need fast, cheap returns, since everything goes through an emailed RMA to a Shenzhen address. Check the shipping method and warehouse at checkout first, because airmail can take 15 to 35 business days.

Shipping
Airmail takes 15 to 35 business days, EMS 5 to 8, and DHL Express 3 to 7. Shipping fees vary by product, warehouse, and destination and show on each product page and at checkout.
Returns
The about page lists a 30-day return or exchange. All returns need an RMA requested via service@stirlingkit.com, and items must include original packaging and accessories with no physical damage.
Warranty
The about page lists a 1-year warranty and lifetime customer support.

Read our full Stirlingkit review and shop all products →

Frequently asked questions

How much is the P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine…?
Stirlingkit lists it at $99–$115 on stirlingkit.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a coupon code for the P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine…?
Stirlingkit's store-wide code start can be entered at checkout on stirlingkit.com. Stirlingkit sets the discount, and some items or sale prices may be excluded.
What is Stirlingkit's return policy?
The about page lists a 30-day return or exchange. All returns need an RMA requested via service@stirlingkit.com, and items must include original packaging and accessories with no physical damage.
How long does Stirlingkit take to ship?
Airmail takes 15 to 35 business days, EMS 5 to 8, and DHL Express 3 to 7. Shipping fees vary by product, warehouse, and destination and show on each product page and at checkout.
Does the P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine… come with a warranty?
Stirlingkit's published warranty terms: The about page lists a 1-year warranty and lifetime customer support.
What options does the P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine… come in?
Version: for OKMO Engine (Small) P51, for Retrol HM-01 Engine Only (Bigger) P54.
Where can I buy the P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine…?
The P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine… is sold directly by Stirlingkit on stirlingkit.com. The Shop now button on this page goes straight to the product there, and code start can be applied at checkout.
Is the P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine… in stock?
Yes. Stirlingkit lists it as in stock on stirlingkit.com as of our latest check. Stock and prices refresh throughout the day.
Is Stirlingkit a legit store?
Stirlingkit is a good source for hobbyists who want running miniature engines, Stirling and steam models, and build kits that most toy stores never carry. Skip it if you need fast, cheap returns, since everything goes through an emailed RMA to a Shenzhen address. Check the shipping method and warehouse at checkout first, because airmail can take 15 to 35 business days. Our full Stirlingkit review covers shipping, returns and what to check before ordering.
Is the P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine… expensive?
At $99 it is mid-range for Stirlingkit ($0.54 to $11,000 across 2,729 products), and similar items from other brands run $13 to $258.

More from Stirlingkit

Shop all Stirlingkit →

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