you can improve it by getting your rear shock set at your weight which that will improve traction of the bike.
i would recommend you should get a full pro circuit t-4 exhaust system that will increase power.
you should get pro taper bars they look wicked and are very very strong.
i recommend you should get a one industries graphics kit put on you yzf450 it will look very very neat.
i also recommend you should get your rims powder coated. (blue,red,ect)
i recommend you should get either blue or red tyres on your yzf450.
and if you want your bike to go faster get it jetted and borred out to like a yzf470 or yzf500.
4 years old you can race motox. (50cc class)
47
James Stewart
48.8 inches
travis pestrona
james stewart or ricky carmichael
To improve the comfort of bike seats, you can try adjusting the seat height and angle, using padded bike shorts, adding a gel seat cover, or investing in a more ergonomic bike seat.
ride a bike.
To improve your bike's performance by fixing the chain, you should regularly clean and lubricate it, ensure proper tension, and replace it if it's worn out. This will help your bike run smoothly and efficiently.
The same way you'd improve any other bike. Go to a dirt bike part superstore online or something and look around and see what fits your bike. They usually tell you if stuff fits or not.
To improve balance and stability while riding your bike, practice using a bike track stand. This involves keeping your bike stationary without moving forward or backward. By mastering this skill, you can enhance your overall balance and control while riding.
To improve bike visibility while riding on the road, you can wear bright and reflective clothing, use front and rear lights, install reflective tape on your bike, and follow proper road safety rules.