Cooling Fan Exploded

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gperspective
BMX
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Joined: Tue Sep 02, 2014 6:23 pm
Location: East Bay, Northern Cali

Cooling Fan Exploded

Post by gperspective »

..along with the fan shroud.

only going around 35-40

just installed new bbk along with zxtrans kit / new belt and 9:1 gears on af16-swaped spree

still on first tank / breaking in and haven't given it WOT

if I remember correctly I heard a fast high pitched sound or maybe a ringing noise right before it happened but I could be wrong


has this happened to anyone before or know what may of caused this?


thanks in advance
Pocket Change . Scooter Club

Honda Spree . AF16E
Polini Corsa - Naraku Intake - Dellorto 21mm PHBG - Malossi E8 AirFilter - Malossi Variator 7g - ZX Trans - 9:1 - PG Short
curtis966
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Re: Cooling Fan Exploded

Post by curtis966 »

Stock fan?
86 Aero 50,Polini 65cc BBK,malossi oring head,100 oct. 32:1
21mm OKO,Malossi Wild Lion exhaust,
Stock Ruck vari, malossi special belt,1.5k shoes,1k center,
aftermarket bell, front/rear metro wheels, TT vapor,
5in stretch on motor mount,280mm Shock.
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paulpauly7
CB900F
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Posts: 1945
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Re: Cooling Fan Exploded

Post by paulpauly7 »

Aftermarket fans do this .
86 Nifty Fifty (spree)
ZX disk brake
Kitico 120kmh speedo
AF18 ZX ported
Polini corsa
Malossi crank
CTmani
24mmOKO
40pilot118main
Scorpion pipe
8.44 to 1
Michelin s1
71.3mph
92 yz125, 94 crm250
gperspective
BMX
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Posts: 32
Joined: Tue Sep 02, 2014 6:23 pm
Location: East Bay, Northern Cali

Re: Cooling Fan Exploded

Post by gperspective »

yes, stock fan
Pocket Change . Scooter Club

Honda Spree . AF16E
Polini Corsa - Naraku Intake - Dellorto 21mm PHBG - Malossi E8 AirFilter - Malossi Variator 7g - ZX Trans - 9:1 - PG Short
curtis966
Elite
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Joined: Sat May 26, 2012 10:52 pm
Location: michigan

Re: Cooling Fan Exploded

Post by curtis966 »

Hmm I've heard of the aftermarket fans doing this but not the stockers. Maybe one of your bolts came loose I'm sure that could make for a pretty short lived fan. I would check for a striped hole or something.
86 Aero 50,Polini 65cc BBK,malossi oring head,100 oct. 32:1
21mm OKO,Malossi Wild Lion exhaust,
Stock Ruck vari, malossi special belt,1.5k shoes,1k center,
aftermarket bell, front/rear metro wheels, TT vapor,
5in stretch on motor mount,280mm Shock.
gperspective
BMX
BMX
Posts: 32
Joined: Tue Sep 02, 2014 6:23 pm
Location: East Bay, Northern Cali

Re: Cooling Fan Exploded

Post by gperspective »

ah yeah

i was missing a bolt on the other piece of fan shroud - not the one that got torn up along with the cooling fan / encases the coolfan + most of the bbk

so i suspect it found its way to the fan somehow

bummer

i'll do some inspection and make sure it isn't still around

new oem part shroud + fan on order from partzilla
Pocket Change . Scooter Club

Honda Spree . AF16E
Polini Corsa - Naraku Intake - Dellorto 21mm PHBG - Malossi E8 AirFilter - Malossi Variator 7g - ZX Trans - 9:1 - PG Short
gperspective
BMX
BMX
Posts: 32
Joined: Tue Sep 02, 2014 6:23 pm
Location: East Bay, Northern Cali

Re: Cooling Fan Exploded

Post by gperspective »

also i imagine maybe a bolt from the main fan shroud may of rattled out

plenty of vibration with the higher rpms on this new bbk most likely
Pocket Change . Scooter Club

Honda Spree . AF16E
Polini Corsa - Naraku Intake - Dellorto 21mm PHBG - Malossi E8 AirFilter - Malossi Variator 7g - ZX Trans - 9:1 - PG Short
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