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Old 11-28-2023, 07:20 AM   #1
china man 3000   china man 3000 is offline
 
Join Date: Mar 2023
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bashan bs150-3 broken exhaust stud

hello i drive a bashan bs150-3 year 2007. my mechanic drilled out a broken exhaust stud and drilled into exhaust port. Now im here asking your help what to do or if i can buy a new cylinder head and ig i van where becouse i havent found a place that sells them.


 
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Old 11-28-2023, 01:09 PM   #2
Texas Pete   Texas Pete is offline
 
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Join Date: Nov 2022
Location: Dallas TX
Posts: 612
The head is cast, if the hole is in the port and not in the cylinder its an easy enough job for a welder to fill in the hole with welded metal rod. Common job to build up metal accidentally machined off for machine shops who then take it and re-machine it the way it should have been.

If filled in properly, no voids you could even re-drill and tap holes for the bolts etc.
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2022 1/2 Templar X 250
- 6 gear model
- 13 Front / 40 Rear Sprockets
- #42 / #120 Jets
- 1mm thick nitrile O-ring needle shim (removed)
- Kenda K761 Dual Sport Tires
- Sedona Standard Thickness Inner Tubes
- Stock OEM battery, carburetor, spark plug still going strong
- https://youtu.be/dhAYEKH-jFQ

  1. Texas Pete's Templar X 250 Torque Specifications Sheet
  2. Texas Pete's Engine Displacement Calculator
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