When did the Yamaha YZ 490 come out?
Yamaha introduced the YZ 490 in 1982, after a solid run with the YZ465. Sadly, the 490 was heavier than the 465, nowhere near as reliable, horribly difficult to start (hot or cold), came with a grim suspension, vibrated enough to bring blisters to your hands and was impossible to jet.
How big is the rear tire on a Yamaha yz490?
Yamaha YZ490 Rear Tire 140/80-18 ’83-85 110/100-18 ’88-90 140/9 Weight Recommended Oil Yamalube 10w-40 Related Yamaha IT490
What was the problem with the Yamaha yz490j?
The problems that the YZ490J will most be remembered for among the vintage motocross community is the dreaded “PING” or pre ignition & a 38mm carburettor that you could not jet correctly, blubbering & a general lack of crispness when accelerating out of corners was the issue.
Is the Yamaha yz490 a start straight weapon?
Efforts were made to sort out the motor, Yamaha did managed to move a little bit of the power down to the bottom & mid range, though the majority still stayed way up high, it was defiantly a real start straight weapon, if a rider had the talent the bike could get them to the first corner ahead of every body else.
Do you hate the 82 YZ 490 Yamaha 2 stroke?
Understand that for many of us, hating the 82 yz 490 has become our life’s passion. Just like a celebrity sticking up for animals or the environment. Some of us have made it a mission. The 490 SHOULD have and could HAVE been a relative to the yz 250, but many things went wrong.
Is the Yamaha YZ 465 a good bike?
The yz 465 was a great machine. The 490 cannot be defended. Yamaha screwed it up and never bothered to fix it. Big bore two strokes are really good machines. The cr 500 and kx 500 are machines that would do anything a 490 would do, only better.
What are the fatal flaws of the Yamaha 490?
One of the 490’s “fatal flaws” is the 4 or 5 speed tranny combined with RPM’s that rap out WAY too quick. This is also one of the attractions. 5th gear in 5 seconds & 70MPH seconds later…WOW.