1977 YAMAHA YZ100 Parts & Accessories

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Displaying parts for your 1977 YAMAHA YZ100

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See stock sizes for this machine

  • Front Tire:2.75x21
  • Rear Tire:3.50x18
  • Front Sprocket:12 Tooth
  • Rear Sprocket:40 Tooth
  • Chain:520X90
  • Spark Plug:B10EG
For reference only. Please consult your owner's manual to confirm manufacturer specs.
Primary Drive Front Sprocket$5.88 – $8.99
Rated 4.79 out of five stars.★★★★★
Tusk 520 Gold X-Ring Chain$4.99 – $64.99
Rated 4.60 out of five stars.★★★★⯪
Tusk 520 O-Ring Chain$4.99 – $46.99
Rated 4.80 out of five stars.★★★★★
Tusk Wheel Bearing and Seal Kit$13.99
Rated 4.59 out of five stars.★★★★⯪
Tusk Tach/Hour Meter$22.99
Rated 4.61 out of five stars.★★★★⯪
Tusk Front Sprocket$16.99
Rated 4.89 out of five stars.★★★★★
All Balls Wheel Bearing Kit$20.82
Rated 4.51 out of five stars.★★★★⯪
NGK G-Rated Sparkplug$4.99
Rated 4.87 out of five stars.★★★★★
Primary Drive 520 ORH Gold X-Ring Chain$4.99 – $63.99
Rated 4.66 out of five stars.★★★★★
Tusk Magnetic Drain Bolt$8.99
Rated 4.72 out of five stars.★★★★★
Tusk Counter Shaft Seal Kit$16.99
Rated 4.57 out of five stars.★★★★⯪
Tusk T-10 Aluminum 7/8" Handlebar$37.99
Rated 4.43 out of five stars.★★★★⯪
Tusk Steering Stem Bearing Kit$43.99
Rated 4.59 out of five stars.★★★★⯪
Primary Drive 520 ORM O-Ring Chain$4.99 – $45.99
Rated 4.77 out of five stars.★★★★★
Tusk Aluminum Tire Iron with Axle Wrench$16.99
Rated 4.65 out of five stars.★★★★⯪
Tusk Spark Plug Wrench$8.99
Rated 4.78 out of five stars.★★★★★
ProTaper SE 7/8" Handlebar$74.95
Rated 4.79 out of five stars.★★★★★
All Balls Steering Stem Bearing Kit$55.26
Rated 4.61 out of five stars.★★★★⯪
Motion Pro Clutch Lever$12.59
Rated 4.58 out of five stars.★★★★⯪
DID 520 Chain$3.95
Rated 4.13 out of five stars.★★★★☆
Tusk Low-Profile Magnetic Drain Bolt$8.99
Rated 4.61 out of five stars.★★★★⯪
RK 520 Chain$26.88
Rated 4.26 out of five stars.★★★★☆
Tusk Skid Plate Foam$10.95 – $11.95
Rated 4.56 out of five stars.★★★★⯪
Primary Drive 520 ORH X-Ring Chain$4.99 – $57.99
Rated 4.64 out of five stars.★★★★⯪
Renthal Aluminum 7/8" Handlebar$104.88
Rated 4.84 out of five stars.★★★★★
Rox Speed FX 2" Handlebar Risers$79.88 – $89.88
Rated 4.83 out of five stars.★★★★★
Tusk Piston Ring Compressor$22.99
Rated 5.00 out of five stars.★★★★★
Tusk Aluminum Pipe Guard$25.99
Rated 4.27 out of five stars.★★★★☆
Polisport Fork Boots$11.99
Rated 4.03 out of five stars.★★★★☆
Odi Podium 7/8" Handlebars$76.46
Rated 5.00 out of five stars.★★★★★
RK 520EXW Gold XW-RING Chain$8.06
Rated 4.79 out of five stars.★★★★★
Mika Metals 7/8" Handlebars$86.88 – $89.99
Rated 4.18 out of five stars.★★★★☆
Rox Speed FX Pro-Offset Elite Block Risers$85.88
Rated 4.82 out of five stars.★★★★★
IMS Flightline Folding Shift Lever$54.55
Rated 4.49 out of five stars.★★★★⯪
P3 Carbon Skid Plate Foam$12.95
Rated 4.53 out of five stars.★★★★⯪
Motion Pro Pro Plug Socket$31.89
Rated 4.80 out of five stars.★★★★★
RK 520EXW XW-RING Chain$8.95
Rated 4.68 out of five stars.★★★★★
Moose Racing Magnetic Drain Plug$18.95
Rated 4.73 out of five stars.★★★★★
Klutchbox Original Bar Pad$64.95
Rated 5.00 out of five stars.★★★★★
Motion Pro T-6 Combo Lever$39.99
Rated 4.88 out of five stars.★★★★★
Tusk CRF/TTR/KLX/DRZ 110 Pit Bike Aluminum 7/8" Handlebar$35.99
Rated 4.50 out of five stars.★★★★⯪
Rox Speed FX 3 1/2" Pivoting Handlebar Risers$95.88
Rated 5.00 out of five stars.★★★★★
Polisport Armadillo 2-Stroke Pipe Guard$53.88
Rated 3.66 out of five stars.★★★⯪☆
Mika Metals 7/8" Handlebars without Bar Pad$86.99
KTM Renthal 7/8" Handlebars$117.99
Rated 4.67 out of five stars.★★★★★
K & S Fork Seals$12.95
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