Big Bore
February 1, 2011 
0 Comments
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| NICE 33 62 X 118 181 TICINO SLIDING BED GAP LATHE w BIG Spdl BORE | |
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$89,500.00 Time Remaining: 17d 19h 10m Buy It Now for only: $89,500.00 Add to watch list |
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| Engine Lathe Big Bore Hollow Spindle 40 x 180 LeBLOND NK4025 13 Bore 1976 | |
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$97,500.00 Time Remaining: 15d 16h 32m Buy It Now for only: $97,500.00 Add to watch list |
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| TON FOU 12IN 3 JAW CHUCK BIG BORE 4IN BAR | |
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$2,995.00 Time Remaining: 15d 18h 19m Buy It Now for only: $2,995.00 Add to watch list |
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| Broadbent BL16HSK Big Bore Engine Lathe | |
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$105,000.00 Time Remaining: 21d 16h 4m Buy It Now for only: $105,000.00 Add to watch list |
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| 26 x 90 High Precision Metal Engine Lathe Big Bore | |
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$19,500.00 Time Remaining: 2d 17h Buy It Now for only: $19,500.00 Add to watch list |
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| 16 x 60 High Precision Metal Engine Lathe Big Bore | |
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$13,999.00 Time Remaining: 2d 15h 22m Buy It Now for only: $13,999.00 Add to watch list |
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How Much faster will Big Bore 150cc make my TTR 125 dirt bike?
Im thinking about getting big bore kit for my Yamaha TTR 125 to make it faster
How much faster will it go??? Can it go 65+?
A big bore will increase the engines torque and will allow an increase in top speed, if the engine is re-geared to take advantage of the increase. The downside is reduced reliability, overheating and the need to re-jet the carburetor.
Changing the camshaft to a mid-top end grind, will allow the engine to make its power at a higher rpm and pick up rpms faster. It will most likely out perform a big bore mod. Unfortunately It will still need re-jetted and would benefit from a high flow exhaust and air-box
Big Bore
