RSRider
Member
I installed a SPAL fan for this riding season just because. My OEM unit was running fine and I have a switch in parallel to the wiring so that I can run it as I please. Today was the first really warm riding day at 26C. The SPAL does not cool the bike down like the OEM fan does. It's quite noticeable.
On the Tills website the SPALs airflow is listed as 540m3/hour which is 19,069.9 cf/hour, or 317.83cfm.
When I first put it in I did notice that, while it was quieter, it didn't seem to move as much air. I'm positive it doesn't. I know lots of K-bike owners upgrade to this aftermarket fan for reliability reasons. Would someone here know what the CFM rating is for the OEM fan?
Some things to note. My bike has K1100RS body work, but this didn't seem to bother the OEM fan. At the end of every riding season I remove the rad and clean all the crap out of it. I did notice that the SPAL fan motor is a larger diameter than the OEM one so there is a little more restriction with regards to airflow.
My bike is a 1985 K100RS.
Thanks,
Tom
On the Tills website the SPALs airflow is listed as 540m3/hour which is 19,069.9 cf/hour, or 317.83cfm.
When I first put it in I did notice that, while it was quieter, it didn't seem to move as much air. I'm positive it doesn't. I know lots of K-bike owners upgrade to this aftermarket fan for reliability reasons. Would someone here know what the CFM rating is for the OEM fan?
Some things to note. My bike has K1100RS body work, but this didn't seem to bother the OEM fan. At the end of every riding season I remove the rad and clean all the crap out of it. I did notice that the SPAL fan motor is a larger diameter than the OEM one so there is a little more restriction with regards to airflow.
My bike is a 1985 K100RS.
Thanks,
Tom
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