08-30-2019, 01:13 PM
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#1 |
Join Date: Mar 2018
Location: Las Vegas, NV
Posts: 193
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Secondary air injection "EGR" plug
So I removed the air injection on the side of the engine head, because it was causing back firing with my new "catless" exhaust.
Instead of making a block-off plate, I took the risky move and tapped a thread for a M12 x 1.5 bolt. There a lot of metal shavings making the thread, I used a shopvac about every turn of the thread. The aluminum head is very soft expect shavings even when tightening a bolt. I got several bolts to try. If the anodized red is too much I can always spray some high temp black primer on it. Let me know what you guys think! 
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BaShan BSR 250 DB-41H 2018 Red BS250GY-18D JFG Racing Exhaust . Adjustable Shock 320mm . Brozz Digital Gauge . Renthal Fat Bar . 428 17x46 Sprocket . Fender Eliminator . Wheel Truing . Fuel Tank Repair . Keihin PZ30 Main-115 Pilot-38 Needle-1Washer Fuel Mixture-1/2 BSR Chronicles - "Project leads to more projects!" Yamaha WR250R Suzuki GSX-R 600 |
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08-30-2019, 05:10 PM
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#2 |
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Join Date: Mar 2018
Location: Las Vegas, NV
Posts: 193
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A stainless pipe plug just came in, this might be the winner here. Can't wait to try it.
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BaShan BSR 250 DB-41H 2018 Red BS250GY-18D JFG Racing Exhaust . Adjustable Shock 320mm . Brozz Digital Gauge . Renthal Fat Bar . 428 17x46 Sprocket . Fender Eliminator . Wheel Truing . Fuel Tank Repair . Keihin PZ30 Main-115 Pilot-38 Needle-1Washer Fuel Mixture-1/2 BSR Chronicles - "Project leads to more projects!" Yamaha WR250R Suzuki GSX-R 600 |
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08-30-2019, 08:29 PM
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#3 |
Join Date: Jun 2016
Location: Hell
Posts: 2,408
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I have flat steel plates for this task.
Or you can cut the pipe n weld the hole or make a plate |
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09-02-2019, 12:41 PM
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#4 |
Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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Interesting solution! I never thought of tapping the hole.
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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09-03-2019, 12:02 AM
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#5 |
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Join Date: Mar 2018
Location: Las Vegas, NV
Posts: 193
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Here are some new pics. I put on anti-seize and a coat of high temp black.
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BaShan BSR 250 DB-41H 2018 Red BS250GY-18D JFG Racing Exhaust . Adjustable Shock 320mm . Brozz Digital Gauge . Renthal Fat Bar . 428 17x46 Sprocket . Fender Eliminator . Wheel Truing . Fuel Tank Repair . Keihin PZ30 Main-115 Pilot-38 Needle-1Washer Fuel Mixture-1/2 BSR Chronicles - "Project leads to more projects!" Yamaha WR250R Suzuki GSX-R 600 |
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09-03-2019, 12:05 AM
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#6 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,016
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I would have gone for high temp red loctite and called it a day
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Hawk Information and Resource guide: http://www.chinariders.net/showthread.php?t=20331 2018 Hawk 250 - Full Mod list here. http://www.chinariders.net/showpost....62&postcount=1 2024 Royal Enfield Shotgun 650 https://chinariders.net/showthread.php?t=34124 |
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09-03-2019, 03:28 AM
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#7 |
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Join Date: Jun 2016
Location: Hell
Posts: 2,408
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Again there is a plate and gasket available - just blanks it off directly
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09-03-2019, 04:57 AM
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#8 |
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Join Date: Jan 2018
Posts: 410
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Be careful. I have heard of people shredding the rear tire from all the added power. With all the weight reduction and power, the front wheel becomes useless.
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2020 Kawasaki KLX300R, 2018 Yamaha TW200 If you want more of something, tax it less. If you want less of something, tax it more. |
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09-04-2019, 12:46 AM
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#9 |
Join Date: Jul 2017
Location: Montucky
Posts: 209
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I made a blockoff plate from the iron crate the Hawk came in for my TT250 head, and put 3/8 rubber plug from the HW Store. Cost was probably 12 cents. Cheap bike gets cheap solutions LOL
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1991 Kawasaki KLR250 |
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Linear Mode
