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by rsv1cox Thu Sep 21, 2023 5:03 pm
Cox Engine of The Month
September-2023
balogh's

"Beefed up old stock 290 on my Quickie100 RC after plenty of airtime hours..."

PAST WINNERS
balogh's

"Beefed up old stock 290 on my Quickie100 RC after plenty of airtime hours..."

PAST WINNERS
Older OS FS-120 parts
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Older OS FS-120 parts
I picked up an older OS-FS-120 surpass through ebay. Tha version I have has the twin rocker covers. Newer versions have a single rocker cover, I think. Does anyone know what size metric screws were use to hold the twin rocker covers down?
Thanks.
Dave Gundling
Thanks.
Dave Gundling
dgundling- Beginner Poster
- Posts : 8
Join date : 2021-08-23
Re: Older OS FS-120 parts
Dave do you have a picture of this engine? I can't find one with two valve covers .
getback- Top Poster
Posts : 9722
Join date : 2013-01-18
Age : 66
Location : julian , NC
Re: Older OS FS-120 parts
I don't have one of the early FS-120, but it's going to be M2.6 based on all the others.
gkamysz- Gold Member
- Posts : 346
Join date : 2018-02-22
Location : Chicagoland
Re: Older OS FS-120 parts
that's what I was thinking , Thanks Greg
getback- Top Poster
Posts : 9722
Join date : 2013-01-18
Age : 66
Location : julian , NC
Re: Older OS FS-120 parts
gkamysz wrote:I don't have one of the early FS-120, but it's going to be M2.6 based on all the others.
If you need to get that metric screw size McMster-Carr has that size.
You just need to know the length?
Here is the web page for that metric screw:
M2.6 x 0.45 x ???? what ever the length you need?
https://www.mcmaster.com/screws/system-of-measurement~metric/thread-size~m2-6/
I have to use this size screws on the smaller Enya .09 engines (like the .09-II)
sosam117- Platinum Member
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» older Cox GTP .049 RC Car
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