take it off and have it checked
Yes it would. With the Honda Fourtrax TRX 300 most ALL parts are interchangeable from 1988-2000.
Yes
The starter reduction gears from a 1985 Honda FourTrax 250 are generally not compatible with the 1986 or 1987 models due to differences in design and specifications. While the overall engine and transmission may appear similar, manufacturers often make subtle revisions that can affect part compatibility. It's best to consult a parts manual or a dealership to confirm compatibility before making any replacements.
.003 in
1500 cc
yes
Adjust the sprocket of the chain
It takes 24x9.00-11
The size is 16x8.0x7
try its the only way you will know it
into a form of containment unit
eBay or CraigsList are your best bet.