How to Use the OREGON® Selector Guide


 
How do I use this selector guide?
The selector guide is set up for you to use quickly and accurately provided you know three things: your saw’s make, model, and guide-bar length. If you don’t know all three of those characteristics, you should go to your nearest OREGON® dealer, with your saw in hand, for help.

How Do I Know What Size Bar I Have?
Your bar's cutting length (or "called length") is different from its total or overall length. The cutting length is the distance from the front of the saw to the tip of the farthest cutter, rounded to the nearest inch. This called length is the number used in the selector guide to describe the bars that are available for your saw. Be careful; a bar made by OREGON® may take a different drive link count than that of another producer. Here’s a tip: if you have an OREGON® bar, look at the ten-digit number stamped on the motor end; the first two digits, such as 16, tell you the called length.

Once you know the make, model, and bar length, there are some other features you need to know, such as:

What is Chain Pitch?
Chain Pitch is the size of the chain, and is defined as the distance between any three consecutive rivets divided by two. OREGON® chain is made in several pitches - 1/4" is the smallest, 3/8" is the most popular, 3/4” is the largest. Pitch is important because the drive sprocket must be the same pitch as the chain, and if applicable, the bar nose sprocket. The easiest way to determine the pitch of your chain is to look at the number stamped on the drive link. See the chain-pitch-and-gauge chart below.
Pitch

What is Chain Gauge?
Chain Gauge is the Drive Link's thickness where it fits into the bar groove. The gauge of the chain and the gauge of the bar must match. OREGON® has several gauges for chain saws - such as, .043” (1,1mm), .050” (1,3mm), .058” (1,5mm) and .063” (1,6mm). Normal wear can make it difficult to accurately measure chain gauge on a worn chain. Always order by the number stamped on the drive link of your old chain to assure correct gauge. See the chain-pitch-and-gauge chart below.
gauge   gauge

Chain Pitch and Gauge Chart
Oregon® part number
(stamped on Drive-link)
Chain Pitch Chain Gauge

20

.325”

.050” (1,3mm)

21 .325" .058" (1,5mm)

22

.325”

.063” (1,6mm)

25

1/4”

.050” (1,3mm)

27

.404”

.063” (1,6mm)

33

.325”

.050” (1,3mm)

34

.325”

.058” (1,5mm)

35

.325”

.063” (1,6mm)

50

.404”

.050” (1,3mm)

51

.404”

.058” (1,5mm)

52

.404”

.063” (1,6mm)

58

.404”

.058” (1,5mm)

59

.404”

.063” (1,6mm)

72

3/8”

.050” (1,3mm)

73

3/8”

.058” (1,5mm)

75

3/8”

.063” (1,6mm)

90

3/8”

.043” (1,1mm)

91

3/8”

.050” (1,3mm)

95

.325”

.050” (1,3mm)

How do I measure the length of my chain?
The length of your chain is determined by counting the number of drive links in your chain. Your drive link count has a direct correlation to your bar’s length. Be careful; a bar made by OREGON® may take a different drive link count than that of another producer. Here’s a tip: count the number of drive links in the chain you have now, and write that number down someplace where you can find it. Or, if you have an OREGON® chain in an OREGON® box, the drive link count is stamped on the flap; you can save that flap for future reference.
chain length
What is the drive sprocket?
The sprocket and the clutch drum are connected to the saw motor.The sprocket is designed to drive the proper-pitched chain around the guide bar.

 

A guide to the information you will see displayed by the Interactive Selector Guide.

Fit-Up Results:
Selector Guide Select MFG. Select Model Select Bar Length Chain Pitch Gauge Kickback ANSI Part Number Part Description Drive Link chain pitch Gauge sprocket teeth File Diameter MY LIST NOTE > additional part information

1. Manufacturer: The brand name of the saw

2. Model: The number or name of the saw

3. Bar length: The cutting length (or “called length”) of the saw bar, measured from the front of the saw to the nose end of the bar. This is not the same as the actual length of the saw bar, which is usually 4-6” greater than the cutting length.

4. Pitch: the size of the chain, measured by determining the distance between three rivets and dividing by two. The drive sprocket and bar nose sprocket are teamed with the chain, and must be the same size or pitch.

5. Gauge: the thickness of the lower portion of the chain drivelink, the part that fits into the saw bar. The chain gauge and the bar groove gauge, or width, must be the same.

6. Part Number: The OREGON® part number of the product.

7. Description: The brand name of the product, e.g., SuperGuard™.

8. Drive Links: The number of drive links in the specified loop of chain.

9. Pitch: see explanation above

10. Gauge: see explanation above

11. Sprocket teeth: the number of teeth in the drive sprocket, at the motor end of the unit.

12. File size: Sharpening file diameter

13. Create a custom OREGON® parts list by checking the box under "My List."

14. Notes field: Look in this area for important messages about part information. For example, if you choose a .050” gauge chain and a .063” bar, you will see the note: Please see your Servicing Dealer to verify pitch, gauge, and motor mount . You can still choose these parts because it's possible to be buying for two different saws, but you will be notified that there is a discrepancy.

15. Clicking the "View/Compare Parts List" will bring up a list of the parts you selected under the "My List" column. If you have selected more than one OREGON® chain, bar or sprocket under "My List," you will have an opportunity to compare parts from the page this clicks through to as well.

16.Need more information: This feature is a link to this page (AppGuideMoreInfo.htm).


Compare Feature: The compare feature, found below, displays product attributes, features and recommendations for all products that you have selected via the "My List" check boxes found on the right-side column of the Fit-Up Results display screen.

Selector Guide Compare Feature