looking for roto start back plate

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cwick

New Member
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2
Location
Ontario, Canada
ive searched every where . i'm looking for a roto start back plate hpi87127 for nitro star s-25 engine
 
Cross referencing the hpi part number shows it also fits a lot of .28 engines. That link has dimensions you could compare to the hpi part. Should be pretty close
 
Last edited:
Os Engines OSMG8991 73009200 ES Starter Assembly 30VG


Os Engines OSMG8991 73009200 ES Starter Assembly 30VG. King cobra of Florida stocks item
 
The back plate design where starter cog is positioned in top corner is better for excess through shock tower, rather then it being half way down unless the newer savage x shock towers give better excess then my original savage 21 type?
I even had to source the HPI 225mm long starter wand as I have the wheelie bar fitted also!
 
When installed starter cog is positioned at top left hand side same side as hpi roto start cog.
 

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That makes sense fitting a .30. Cross references to .28, .30 and .32 os motors. I went thru this on an lrp.32. Had to buy as a bump start and did a lot of research finding a roto start backplate for it as Lrp was out of business when I got the motor.
I was suprised how interchangeable a lot of these manufacturers are.
 
0.S. 30 roto plate will fit a LRP .28,.30&.31 also
 
Es starter for O.S. 30 engine will fit on .21 to a 5.9 this is a 4.6 in pics
 

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