Skip to Main Content
Free Shipping
over $39.99

Orders $39.99 or more ship free within the contiguous U.S.

Free Shipping Policy
Self-Service
Returns

Doesn't fit? Don't love it?

Return any unused item within 30 days for a full refund.

Start a Return
Read our full Return Policy
Lowest Price,
Guaranteed

Found it for less?

RevZilla will match any advertised price on new merchandise available through another authorized U.S. dealer.

Submit a Price Match

Elite Service Rating

Our goal is to provide the best possible shopping experience to every enthusiast who visits RevZilla.

See what our customers are saying about us:

Customer Reviews

ZillaCash Rewards Program

Earn $5 for every qualified $100 you spend. You'll also hear about special offers and events! How it works:

1

Sign in or create an account to earn ZillaCash on your next purchase with us.

2

Earn $5 for every $100 you spend on eligible items and brands.

3

Redeem your ZillaCash Rewards on a future order with us!

See our customer service page for more details.

We have updated our Privacy Policy. Please click here to review the updates. Accept

1991 Yamaha YSR50 FRONT MASTER CYLINDER OEM Parts Diagram

Diagram: F273346
1 10 11 11 12 12 12 13 14 15 16 2 3 4 5 6 7 8 9
The products below will fit your 1991 Yamaha YSR50B Select a Different Bike
# Item Price Suggested
Qty The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Quantity
1 MSTR.CYLINDER.SUB.ASSEMBLY.ASSE
3AX-25870-00-00
$272.64
$286.99
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
2 CYLINDER KIT, MASTER
56A-W0041-00-00
$45.59
$45.99
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
3 GASKET, DIAPHRAGM
55U-25854-00-00
$12.61
$14.49
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Available: Requires 1-2 weeks of lead time prior to shipment
4 CAP, RESERVOIR (FRON
2KF-25852-02-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 2KF-25852-01-00
$26.59
$27.99
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
5 SCREW, FLAT HEAD
98707-04012-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 98706-04012-00
$1.98
$2.30
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Available: Requires 2-3 business days of lead time prior to shipment
6 BRACKET, MASTER CYLINDER
56A-25867-00-00
$23.77
$28.99
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Out of Stock
7 BOLT
97017-06025-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 97016-06025-00
$1.08
$1.25
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Available: Requires 1-2 weeks of lead time prior to shipment
8 WASHER, SPRING
92907-06100-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 92906-06100-00
$1.08
$1.25
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Available: Requires 2-3 business days of lead time prior to shipment
9 BOOT, MASTER CYLINDER
4L0-25862-01-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 4L0-25862-00-00
$2.23
$2.30
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Available: Requires 2-3 business days of lead time prior to shipment
10 HOSE, BRK 1
99999-02749-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 2AL-25872-01-00
$75.99 Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Unavailable
11 BOLT, UNION
90401-10159-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 90401-10034-00
$4.67
$5.49
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
12 WASHER, PLATE
90201-10118-00
$2.62
$3.05
Suggested Quantity 4 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
In Stock: Ships within 24 hours
13 HOLDER, BRKE HOSE 1
2AL-25875-00-00
$5.99 Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Unavailable
14 BOLT
97026-06012-00
$0.95 Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Unavailable
15 WASHER, SPRING
92907-06100-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 92906-06100-00
$1.08
$1.25
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Available: Requires 2-3 business days of lead time prior to shipment
16 HOLDER, BRKE HOSE 2
2AL-25876-00-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 2RR-25876-00-00
$2.80 Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Unavailable
Montgomeryville Cycle Center www.montgomeryvillecc.com Yamaha OEM Parts On RevZilla - Powered and Sold by Montgomeryville Cycle Center. RevZilla has partnered with Montgomeryville Cycle Center to offer you a next generation shopping experience for OEM parts.

The same great policies and service you have come to expect when shopping on RevZilla.com will apply to any OEM purchases made online.

RevZilla is proud to carry every original part available for your 1991 Yamaha YSR50 FRONT MASTER CYLINDER assembly. Simply reference the OEM parts diagram to confirm the exact part numbers you need. If the assembly calls for more than one of any given part number, it will be noted for you in the suggested order quantity so you can get exactly what you need to get the job done right, the first time. Not quite sure? Feel free to shoot us an email or give us a call to get hands-on help from an OEM parts expert.