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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
High Compression piston for a YZ250F
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[QUOTE="jimt_yz400, post: 158797, member: 21081"] Thx for the input. I still do not know what I will eventually do but I don't really want to throw alot of money at. The engine runs fairly well now and with what I am using as an exhaust it pulls very well off of the bottom. I have been using a DSP SX head pipe with a shortened 426 muffler (1inch) for MX and off-road. The off-road had an adapter for the WB E-Series disks. It is very crisp off of the bottom and in to the midrange and pulls *much* better than with the stock setup.I can ride a gear higher with this setup but it is *loud* with the disks for off-road and I barely pass the sound check at enduros. I do not have as much top end as I did before but I don't really nee it since it will pull the next gear quite easily. I've just bought a used Big Gun with the quiet core which is nice and quiet but I don't have the low end like the other setup. I trying to modify the DSP header to accept the Big Gun silencer. I initially was able to get this to work but it had a very short power bad and would rev less than the other setup. So, I thought of digging into the motor to gain the torque and keep the Big Gun setup. Thx again the info!! [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
High Compression piston for a YZ250F
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