trx 250r and atc 250r motor swap

[k00leo]

I'm pretty sure it will work, but i want to make sure...

can i swap a 86/87 trx 250r and a 85/86 atc 250r motor between each other?

[bkm]

Absolutely!

[200xranger]

i have an 86 trx motor in my 85 atc!!! no problems!!!

[AtcFactoryRacer]

Yeah they make a good swap for an 85 250r because you gain the six speed transmission

[bkm]

Yeah they make a good swap for an 85 250r because you gain the six speed transmission

'85's already have six speeds. 84 was the last year for the 5 speed but its a totally different engine.