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250x engine question

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Posted by: teamhonda396x

i just bought a new 1991 250x and if i bore it .080 over will i have to run one race gas or any other speacile hardware to make it run?


Posted by: chapmanmd

Only need race gas if youre bumping compression.


Posted by: bwamos

Aye you 100% fine on premium pump as long as it's 11:1 comp or lower. Any higher, then you need to start watching the detonation.




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