Shopping Cart
Search:
  
Shop Now...
R/C Hobby Products
Additional Hobby Products
Shop by Brand Easy Pay Shop for Parts
New Items
Special Sales
  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. - OSMG2041 OSM13880 13880 531028021556 4531028021556
Manufacturer Stock#
13880
A Closer Look at This Product
  Tech Notes

Accessories Needed

Replacement & Optional Parts

Easy RC: Engines

Browse O.S.


O.S. 21XZ-R Speed On-Road Engine
 
Click for parts for this item
O.S. 21XZ-R Speed On-Road Engine
View Larger Picture

On-line Videos: Video 1 (YOUTUBE)

Stock Number
LXBCBH
Retail Price
799.99
Tower's Low Price
$499.99
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 ——
Share on Twitter
Share on Pinterest Email This Page To A Friend
 

Tech Notes
 
NOTES FROM OUR TECH DEPARTMENT
          This is the O.S. 21XZ-R ABC Engine with 21M Carburetor
                        for 1/8 scale On-Road Vehicles.

****** Because of the expressed racing nature of this engine, ****** ****** it is NOT covered by the O.S. 2 Year Warranty ****** ****** per page 8 of manual. ******

FEATURES: Tungsten-weighted silicone filled crankshaft creates optimum balance for consistent low and mid speed torque, DLC (Diamond-Like Carbon) coating for reduced friction and enhanced performance ABC piston and liner construction "A"luminum piston fitted to a "B"rass cylinder liner that is "C"hrome plated Liner has seven scavenger ports and three exhaust ports for more efficient combustion 21M slide valve carburetor with 9mm carb reducer that restricts the airflow helping to increase the amount of torque produced

INCLUDES: O.S. 21XZ-R ABC On-Road Engine w/21M Carburetor, Exhaust Gasket RP7 Turbo Glow Plug, 9mm Carb Reducer, Flywheel Collet, Instruction Manual, 0.2mm Head Gasket and two Dust Caps

REQUIRES: Fuel: 10-30% nitro content, 20% recommended for break-in Exhaust System: Depending on vehicle Glow starter, fuel tubing and track equipment

SPECS: Displacement: 0.213 cu in (3.49 cc) Bore: 0.640" (16.27 mm) Stroke: 0.661" (16.8mm) Practical RPM: 4,000-45,000 Power Output: 2.8 PS, 2.76 HP 33,000 RPM Weight: 12.1oz (343g) Distance Between Mounting Holes Same Side: 0.83" (21mm) Distance Between Mounting Holes Opposite Side: 1.45" (37mm) Height Bottom of Mounting Tabs/Top of Cylinder Head: 3.10" (78.8mm) Width of Mounting Tabs: 1.8" (45mm) Distance from Backplate to Front Bearing: 2.6" (65.6mm) Distance from Center of Crankshaft to Front Bearing: 1.7" (44mm) Distance from end of Crankshaft to Backplate: 3.7" (95.1mm) Carburetor Settings, Needle Valve: Approximately 3 turns open from fully closed Throttle: Approximately 0.5mm open from factory setting with reducer removed Metering Needle: Rotate until slotted head is 0.5mm away from ball link body Mixture Control Valve: Rotate until slotted head is flush with carb body

jxs 08/05/11 ir/jxs

– 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:
O.S.
3002 N. APOLLO DRIVE, SUITE #1
CHAMPAIGN, IL 61822

Click here for Units of Measure Conversion Calculators

Accessories Needed
 
COMPLETION NOTES FROM THE TECH DEPARTMENT
This is the O.S. 21XZ-R ABC On-Road Engine with 21M Carburetor. FEATURES: Tungsten weighted silicone filled crankshaft, slide valve carb with 9mm reducer for higher torque, RP7 turbo glow plug and instruction manual REQUIRES: Fuel, air filter, exhaust system, track equipment

Accessories for the O.S. 21XZ-R Speed On-Road Engine

Primary Accessories   Building & Field Equipment Optional Accessories
 
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
Status
 LXRXC9 Tower Hobbies TOWER Power 20% Car Fuel Quart
Qty Discount Available
7.69   In Stock
Subtotal for this Group of Accessories: 7.69  

Primary Accessories   Building & Field Equipment Optional Accessories

 
Tower Hobbies Has Been Serving Hobbyists Since 1971   •   Call 800-637-6050 or 217-398-3636
BizRate Customer Certified (GOLD) Site Shop Now Using PayPal
We accept the following:

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.
Follow Tower Hobbies On
facebook.com/towerhobbies youtube.com/user/TowerHobbies twitter.com/towerhobbies