powroll

[250excrf250r]

just wondering about powroll i ahave what is in my sig and looking for more speed what should i do i was thinking about this what is any othert suggestions and comments

[rev-man]

thumper racing 280 kit flat out

[ryanh250ex]

See the FAQ at the top of the page, if you insist on boring it out the thumper kit is probably the best.

[hellshot00]

Im thinking about buying the thumper racing big bore kit but is there any downsides like not being able to do short little drags or haveing to ride it hard so it dont stall

[ryanh250ex]

Originally posted by hellshot00
Im thinking about buying the thumper racing big bore kit but is there any downsides like not being able to do short little drags or haveing to ride it hard so it dont stall

???? why would it do that?

tune it right, run the suggested octane level and it will be fine.

[hellshot00]

well i heard bout the 450 kit for the 400ex and wht not and u cant do short drags u gotta ride hard or it will stall i was just wondering

[ryanh250ex]

Originally posted by hellshot00
well i heard bout the 450 kit for the 400ex and wht not and u cant do short drags u gotta ride hard or it will stall i was just wondering

???? Either the cam is WAYYYYY too big, or they did something like put in a very light flywheel.

again... tune it right, run high octane gas (premium or race gas of your choice) and go ride.

[TRXRacer1]

Originally posted by hellshot00
well i heard bout the 450 kit for the 400ex and wht not and u cant do short drags u gotta ride hard or it will stall i was just wondering Yeah they botched something here.

[hellshot00]

ok thanks but one thing what would happen if i ran cheap gas in it ? like wht would the consuquences b

[m.h.s.c.#527]

pre ignition (ignites on the way up) and knocking

[m.h.s.c.#527]

pre ignition (ignites on the way up) and knocking