1975 Trail Twister 440


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98mach
Posts: 4
Joined: Fri Jan 12, 2007 8:28 am

Post by 98mach »

Can anyone tell me what the stock size of main jets would be for this machine. I am restoring my first twister and it has 220 main jets. I thought that seemed a bit small, but maybe not.

Also what torque should be used on the bolts of crankcase.
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440 MERC T T
Posts: 39
Joined: Thu Jan 02, 2003 5:05 pm
Location: Canada

Post by 440 MERC T T »

270 is stock size, cylinder to crankcase 185 In.Lbs, crankcase halves 155 In.Lbs. Jeff
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