What Max said, spend your money on a good suspension overhaul and set up, remember, these bikes are 30 + years old and these are often overlooked, you will probably get more benefit from this than swapping out the carbs, just riding on the road, remember the old saying, " if it aint broke ".
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Proud Father of , 05 ktm 400exc supermoto 2018 honda crf rx supermoto