Electric Motors, Engines & Accessories > Engines Glow Fuel > Engines R/C Glow Fuel Car 2-Stroke - .16 & Up [View Top Sellers for this Category] Bookmark this Page

Ofna - OFNG0151 OFN53211 53211 023705532119 0023705532119
Manufacturer Stock#
A Closer Look at This Product
  Tech Notes

Accessories Needed

Parts List

Easy RC: Engines

Browse Ofna

Ofna Hyper .21 w/Pull Start
Click for parts for this item
Easy Pay Yours for 3 Easy Pay payments of $40.99
Select Easy Pay Plan during checkout (currently not available using PayPal).

Ofna Hyper .21 w/Pull Start
View Larger Picture

Stock Number
Retail Price
Tower's Low Price
FREE shipping when ordering this item on our web site... click for more information
Stock Status
In Stock
Limited Quantities

Buy Now
Add to wish list
—— Share ——

Tech Notes
This is a .21 Turbo/Hyper with pull start Ofna engine.
This engine is used to power 1/8th scale R/C kits.
*NOTE* Some kits require extra items to install and operate
this engine. Check kit requirements for these parts.


Oversized flow-through Black anodized cylinder head
ABC construction (Aluminum piston with a chromed brass cylinder)
Rear exhaust
Ball Bearing-supported crankshaft
Slide Valve rotatable Carburetor
Needle valve adjusted by a screwdriver
Pilot Shaft


One .21 Ofna Hyper engine w/Slide Valve Carburetor
One Brass collet (these hold flywheel in place)
One Header with seal, clamp and spring
One Running and parts information sheets
One Hyper .21 Decal sheet


Displacement: 3.49cc (.21 cubic inches)
Bore: 16.26mm Stroke: 16.8mm
Weight: 350g
Length: 85mm (3.355") from front of front bearing to back of pull start.
Width: 31mm ( 1.21") the width neglecting the mounting flanges
36mm (1.43") distance across crankcase measured between the centers
Height: 113mm (4.428")
(contact Ofna for more technical information).


-Fuel with 5%-30% Nitromethane (20% is recommended) and a lubricant
content of 18% or more
-Glow plug (turbo type without idle bar)


– If you need more information, use these Ofna resources –
Email: help@ofna.com
Web Site: http://www.ofna.com/
Phone: 949-586-2910
  Postal Address:
IRVINE, CA 92618

Click here for Units of Measure Conversion Calculators

Accessories Needed

Accessories for the Ofna Hyper .21 w/Pull Start

Primary Accessories      
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
 LXVHJ3 O.S. P5 Turbo Glow Very Hot Plug Off-Road
Qty Discount Available
7.99   In Stock
 LXRXC9 Tower Hobbies TOWER Power 20% Car Fuel Quart
Qty Discount Available
9.99   In Stock
Subtotal for this Group of Accessories: 17.98  
Click to Order all items listed in this Group of Accessories    Buy This group of Accessories

Primary Accessories      

Tower Hobbies Has Been Serving Hobbyists Since 1971 • Call 800-637-6050 or 217-398-3636
See Tower Hobbies
Reviews at Bizrate.com
Hobbico, Hobby & Model Construction
Supplies - Retail, Champaign, IL
We accept the following: We accept the following payment methods: Discover, MasterCard, Visa, American Express, Diners Club International, JCB, China UnionPay, PayPal, and PayPal Credit.
Unauthorized use of any materials presented here is prohibited. Copying or reproducing any elements from this page is not permitted. All prices, descriptions and availability subject to change. Displayed within some areas of our web site, the Retail Price is suggested by the manufacturer or supplier, or estimated in keeping with standard industry practice. It may not represent the prevailing price in your area or a price that Tower Hobbies has ever offered for the item.
Copyright © Tower Hobbies All rights reserved. Do not duplicate or redistribute in any form.