mine is basically stock and tops out at 70 mph
400ex does 60 tops.
trx 400x
0.028
33ft-pounds
Around 27 HP.
pretty fast
Approx. 70mph to 75mph is the max. speed of this Honda trx 450r.
The stock spark plug is the NGK DPR8Z gapped at 24 to 28.
it doesn't go, because it's a honda.
70 to 80mph.
my 06 topped out at about 50
it will run 72 mph