New Arrivals/Restock

Ported 49mm "Iron Sleeve" Cylinder for Motorized Bicycle 66cc/69cc 80cc 100cc

flash sale iconLimited Time Sale
Until the end
18
54
13

$34.00 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
New  $85.00
quantity

Product details

Management number 15610758 Release Date 2025/10/04 List Price $51.00 Model Number 15610758
Category

Convert your 80cc - 47mm bore to a 100cc 49mm bore (No mods needed) *High Hole Pistons only*

Cylinder has 45mm stud spacing. ONLY fits on 66cc/69cc/80cc/100cc bottom ends (will not work with one piece 80cc cylinders or YD100 50mm bore)

I do all work by hand. There is no way to avoid the poor casting of the cylinder. There are three listings online of this cylinder as is, and no matter where you buy it; you will have the same issue. Only one factory produces the cylinder and the 100cc engine the cylinder goes to.

There is a approx 10 day turn around time. The cylinder is sent to me from NJ to NY (one week) and it will take approx 2-3 days to clean and port the cylinder. I will then send it via USPS Priority Mail.


Upon purchase, send the following info.

-Stroke
-Name on Connector Rod
-What exhaust?
-Silver or black cylinder?
-What port map do you want?

Price & Costs

-Cylinder = $25
-Shipping - $15
-Fees selling on here - $15
-Porting - $20
-Total : $70

CategoryOther > Automotive > Performance parts & accessories
SizeN/A
BrandNone
ConditionNew

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