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1990 Yamaha YZ490 Parts & Accessories

24 parts available 10 Performance 7 Maintenance 7 Accessories
1990 Yamaha YZ490

About the 1990 Yamaha YZ490

Find quality aftermarket parts and accessories for your 1990 Yamaha YZ490. DreamCycles Canada carries a wide selection of performance upgrades, maintenance parts, and accessories to keep your ride running strong through every Canadian season. Browse our curated selection below to find exactly what you need.

Performance Upgrades 10

View All Fuel & Air → View All Engine & Performance → View All Suspension → View All Engine & Performance →
All Balls Fuel Tap Rebuild Kits All Balls Fuel Tap Rebuild Kits
Fits
All Balls All Balls Fuel Tap Rebuild Kits
$26.95 - $55.95
8 options
In Stock
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All Balls Racing Fork Bushings Kits All Balls Racing Fork Bushings Kits
Fits
Moose Racing All Balls Racing Fork Bushings Kits
$39.95 - $122.95
53 options
In Stock
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All Balls Racing Fork Oil and Dust Seal Kits All Balls Racing Fork Oil and Dust Seal Kits
Fits
Moose Racing All Balls Racing Fork Oil and Dust Seal Kits
$23.95 - $133.95
127 options
In Stock
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Dynojet Power Commander 6 Fuel Injection Module Dynojet Power Commander 6 Fuel Injection Module
Fits
WISECO PISTON Dynojet Power Commander 6 Fuel Injection Module
$4.95 - $1,091.95
1810 options
In Stock
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K&S Technologies Fork and Dust Seals K&S Technologies Fork and Dust Seals
Fits
K&S TECHNOLOGIES K&S Technologies Fork and Dust Seals
$22.95 - $34.95
41 options
In Stock
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Moose Racing Lower Shock Bearing Kits Moose Racing Lower Shock Bearing Kits
Fits
Moose Racing Moose Racing Lower Shock Bearing Kits
$13.95 - $81.95
29 options
In Stock
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Moose Racing Offroad Rear Shock Bumpers and Bladders Moose Racing Offroad Rear Shock Bumpers and Bladders
Fits
Moose Racing Moose Racing Offroad Rear Shock Bumpers and Bladders
$34.95 - $38.95
17 options
In Stock
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Race Tech Gold Valve Fork Kits Race Tech Gold Valve Fork Kits
Fits
RACE TECH Race Tech Gold Valve Fork Kits
$345.95 - $585.95
4 options
In Stock
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Race Tech Shock Seal Head Assembly Race Tech Shock Seal Head Assembly
Fits
RACE TECH Race Tech Shock Seal Head Assembly
$106.95
In Stock
Race Tech Super Slick Fork Bushings Race Tech Super Slick Fork Bushings
Fits
RACE TECH Race Tech Super Slick Fork Bushings
$57.95 - $93.95
7 options
In Stock
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Maintenance Parts 7

View All Tires & Wheels → View All Drivetrain → View All Electrical → View All Brakes → View All Maintenance & Tools →
All Balls Racing Wheel Bearing and Seal Kits All Balls Racing Wheel Bearing and Seal Kits
Fits
Moose Racing All Balls Racing Wheel Bearing and Seal Kits
$12.95 - $122.95
197 options
In Stock
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Bolt Axle Locknut and Washer Kits Bolt Axle Locknut and Washer Kits
Fits
BOLT Bolt Axle Locknut and Washer Kits
$10.95
3 options
In Stock
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JT Sprockets for Yamaha Motorcycles JT Sprockets for Yamaha Motorcycles
Fits
JT SPROCKETS JT Sprockets for Yamaha Motorcycles
$9.95 - $78.95
700 options
In Stock
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Moose Offroad Engine Kill and Starter Switches Moose Offroad Engine Kill and Starter Switches
Fits
Moose Racing Moose Offroad Engine Kill and Starter Switches
$44.95 - $95.95
9 options
In Stock
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Motion Pro Forged Clutch and Brake Levers Motion Pro Forged Clutch and Brake Levers
Fits
Motion Pro Motion Pro Forged Clutch and Brake Levers
$46.95 - $105.95
24 options
In Stock
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NGK Iridium IX Spark Plugs NGK Iridium IX Spark Plugs
Fits
NGK SPARK PLUGS NGK Iridium IX Spark Plugs
$5.95 - $98.95
498 options
In Stock
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Sunstar Sprockets Sunstar Sprockets
Fits
Sunstar Sprockets
$34.95 - $134.95
182 options
In Stock
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Accessories 7

View All Controls & Cockpit → View All Bodywork & Protection →
All Balls Racing Master Cylinder Rebuild Kits All Balls Racing Master Cylinder Rebuild Kits
Fits
All Balls All Balls Racing Master Cylinder Rebuild Kits
$38.95 - $67.95
40 options
In Stock
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Moose Racing Sealed Chain Rollers Moose Racing Sealed Chain Rollers
Fits
Moose Racing Moose Racing Sealed Chain Rollers
$13.95 - $43.95
13 options
In Stock
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Motion Pro Clutch Perches Motion Pro Clutch Perches
Fits
Motion Pro Motion Pro Clutch Perches
$34.95 - $79.95
11 options
In Stock
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Motion Pro Throttle Sleeves Motion Pro Throttle Sleeves
Fits
Motion Pro Motion Pro Throttle Sleeves
$12.95 - $72.95
27 options
In Stock
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ODI V2 Throttle Cams ODI V2 Throttle Cams
Fits
ODI ODI V2 Throttle Cams
$7.95
17 options
In Stock
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Parts Unlimited Replacement Levers Parts Unlimited Replacement Levers
Fits
PARTS UNLIMITED Parts Unlimited Replacement Levers
$7.95 - $16.95
17 options
In Stock
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Universal Kill Switch Universal Kill Switch
Fits
K&S TECHNOLOGIES Universal Kill Switch
$19.95 - $99.95
13 options
In Stock
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Frequently Asked Questions About the 1990 Yamaha YZ490

Regular maintenance items include oil filters, air filters, brake pads, and spark plugs. Check your owner's manual for the recommended service intervals specific to your model.

Popular first upgrades include an aftermarket exhaust system for better sound and performance, an upgraded air filter for improved airflow, and suspension upgrades for a better ride quality.

Proper winter storage includes stabilizing the fuel, changing the oil, removing the battery and keeping it on a tender, and using a quality cover. Consider a full service before storing so it's ready to ride in spring.

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