ATTN: FALICON crankshaft is coming!!

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Jaybr
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Joined: Wed Mar 10, 2021 10:41 pm

#131 Post by Jaybr »

Yes, stock bore is 95, my motor has a 97mm piston though:)

Happyboy
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Joined: Wed Mar 10, 2021 10:41 pm

#132 Post by Happyboy »

Dude, 469cc is so unhealthy for the other competetors!

:head:

cannibalq8
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Joined: Wed Mar 10, 2021 10:41 pm

#133 Post by cannibalq8 »

QUOTE
Originally posted by Happyboy
Dude, 469cc is so unhealthy for the other competetors!

:head:



OH **** YEAH!!:head: :usa

Psychosis
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Joined: Wed Mar 10, 2021 10:41 pm

#134 Post by Psychosis »

Will there be a date for when more are available? Will need a new crank and might as well go top of the line. I have all winter to strip the quad down and powdercoat everything and rebuild the engine. But a time frame would be nice since I'm guessing there's none left at this???

BTW: Who's got this 460 piston for sale I keep hearing about?

azcannibal
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Joined: Wed Mar 10, 2021 10:41 pm

#135 Post by azcannibal »

Jay- Is she still running like a champ with the new crank?

CannondaleRider
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Joined: Wed Mar 10, 2021 10:41 pm

#136 Post by CannondaleRider »

I'm wondering too

haydug
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Joined: Wed Mar 10, 2021 10:41 pm

#137 Post by haydug »

For the record, the motor is still running Strong!

My mx bike also has a falicon in it, with the same mods as Jay's motor has. It does run extremely good.
We had an issue with Jay's motor, but it has been resolved (dropped valve) but the crank is still perfect and ready to ride.

Happyboy
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Joined: Wed Mar 10, 2021 10:41 pm

#138 Post by Happyboy »

This may just be a coincidence but Tim's quad also dropped a valve after running roughly 460-470ccs. Please correct me if I am wrong on any of this stuff. Could the higher displacement or compression be affecting the valves negativly? Perhaps have to switch to a stronger valve?

confused in Arkansas

timbomoose
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Joined: Wed Mar 10, 2021 10:41 pm

#139 Post by timbomoose »

Hi,
Don't think it has anything to do with higher displacement or compression.Last year I dropped valves on my other stock Dale with only about 40-50 hrs on it ,about a week after I bumped my rev limiter (11,600)up.Those blew apart at full rpm.Nothing salvagable.I think the valves float close to the higher rev limiter causing them to break.I think a lower rev limiter could greatly increase valve life along with everything else.(max 10,800,11,000).They seem to always break at the bottom of the stem.I also think it is a good idea to replace valves when rebuilding.They run about $12 a piece.On both the stock and the stroked motor the cams were also worn where they looked like they were slapping against the bucket half way up the lobe.(sign of floating valves.)

cdalemx301
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Joined: Wed Mar 10, 2021 10:41 pm

#140 Post by cdalemx301 »

I dont wanna sound like an idiot but wat exactly is a floating valve?

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