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

O.S. - OSMG2057 OSM13644 13644 531028019249 4531028019249
Manufacturer Stock#
A Closer Look at This Product
  Tech Notes

Accessories Needed

Possible Substitutions

Parts List

Easy RC: Engines

Browse O.S.

O.S. 21VG(P) ABL Sport w/21F Carb
Click for parts for this item
O.S. 21VG(P) ABL Sport w/21F Carb
View Larger Picture

Stock Number
Stock Status
Possible Substitutions

Tech Notes
This is the O.S. Max .21 VG-P Pilot Shaft Sport Engine with new 21F Carburetor.
Developed for 1/8 scale Car, Truggy and Truck Use.
ROAR Legal.


1/4-28 pilot (SG) crankshaft for Centax type clutch
Advanced Bi-Metallic Liner. This process uses a double layer of
plating material rather than one thick layer. This helps the metal
to bond to the cylinder and is more durable. Also, the plating
process is more consistent, resulting in a more precise fit between
piston and sleeve for better compression, longer life.
Two-needle 21F Slide Valve Carburetor
One-piece 8-fin Tornado cylinder head uses standard glow plug
Rear exhaust
Two year limited warranty


O.S. Max .21 VG-P Pilot Shaft Sport Engine with 21F Slide Valve
Carburetor, exhaust seal ring, #8 glow plug and instruction manual


Fuel: Nitro car blend with 10-30% nitro content and at least
16% lubricant
Glow starter and track equipment


Displacement: 0.211 cu in (3.46cc)
Bore: 0.654" (16.6mm)
Stroke: 0.63" (16.0mm)
Practical RPM: 3,000 - 36,000 RPM
Power Output: 2.0 PS, 1.97 HP/ 30,000 RPM
Weight: 12.24oz (347g)
Distance Between Mounting Holes Same Side: 0.83" (21mm)
Distance Between Mounting Holes Opposite Side: 1.4" (37mm)
Height Bottom of Mounting Tabs/Top of Cylinder Head: 3.4" (87.4mm)
Width of Mounting Tabs: 1.8" (45mm)
Distance from Backplate to Front Bearing: 2.6" (65.6mm)
Distance from Center of Engine to Front Bearing: 1.7" (44mm)
Distance from Center of Engine to Backplate: 0.85" (21.6mm)

Needle Settings: High Speed: 3 turns out from fully closed
Metering needle (low speed): flush with ball link
Throttle Stop Screw: 1/2 turn out from fully closed

jxs 6/30/09

– If you need more information, use these O.S. resources –
Email: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970
  Postal Address:

Click here for Units of Measure Conversion Calculators

Accessories Needed
This is the O.S. .21 VG-P Pilot Shaft Sport Engine with New 21F Carburetor FEATURES: Developed for 1/8 scale sport car use, slide valve carb, pilot style crankshaft, #8 glow plug, exhaust gasket, ABL liner construction, 8-fin cylinder head, ROAR legal REQUIRES: Fuel w/10-30% nitro content, glow starter and track equipment

Accessories for the O.S. 21VG(P) ABL Sport w/21F Carb

Primary Accessories     Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
 LXUM80 Duratrax Glow Starter C Battery
Qty Discount Available
7.99   In Stock
 LXCMDL Fuji Batteries C Alkaline Battery (2)
Qty Discount Available
2.69   In Stock
 LXK129 Great Planes Silicone Fuel Tubing Standard 3'
Qty Discount Available
2.99   In Stock
 LXL387 Hobbico 4-Way Wrench w/Plug Storage
Qty Discount Available
4.99   In Stock
 LXFU76 Sullivan CT-1 Screen Fuel Filter
Qty Discount Available
4.29   In Stock
 LXRXC9 Tower Hobbies TOWER Power 20% Car Fuel Quart
Qty Discount Available
9.99   In Stock
Subtotal for this Group of Accessories: 32.94  
Click to Order all items listed in this Group of Accessories    Buy This group of Accessories

Primary Accessories     Optional 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.