1977 Yamaha YZ400 Parts & Accessories
14 parts available
3 Performance
6 Maintenance
5 Accessories
1977 Yamaha YZ400
About the 1977 Yamaha YZ400
Find quality aftermarket parts and accessories for your 1977 Yamaha YZ400. 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 3
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WISECO PISTON
Dynojet Power Commander 6 Fuel Injection Module
$4.95 - $1,091.95
1810 options
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Maintenance Parts 6
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PARTS UNLIMITED
Parts Unlimited Shorty Style Power Lever Assemblies
$19.95 - $26.95
8 options
In Stock
Fits
Frequently Asked Questions About the 1977 Yamaha YZ400
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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