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#46 |
Join Date: Oct 2020
Location: Central VA
Posts: 1,259
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Thanks Jerry, i assume thats a no on the blue locktite question.. will just use the Rotella and finger oil all of the bolts and drizzle some onto the valves
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2024 Zuma Storm 150 DLX 2019 Beta 430 RRS 2018 VStrom 1000 XT Former China Bikes: Tao DBX1, Brozz 250, CSC RX4, Titan DLX, Templar X |
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#47 |
Join Date: Oct 2020
Location: Central VA
Posts: 1,259
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So i should receive the head and timing key in the mail today (finally) and look forward to installing the head. I will take pics and then write up a review on the head porting gains from Joe H.
I also have the flywheel puller being shipped and i bought an air impact wrench. I have no doubt that it will be easy to remove the flywheel bolt and the puller should make it easy as well for its removal, but wanted to find out, does anyone know what the torque spec would be for the flywheel bolt when i go to reassemble it? Or should i just use the impact wrench until it seats well? thanks
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2024 Zuma Storm 150 DLX 2019 Beta 430 RRS 2018 VStrom 1000 XT Former China Bikes: Tao DBX1, Brozz 250, CSC RX4, Titan DLX, Templar X Last edited by tknj99; 01-04-2021 at 06:10 PM. |
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#48 |
Join Date: Oct 2020
Location: Central VA
Posts: 1,259
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Update: received the ported head back earlier today. Added some pics to this thread of the work performed by Joe at Henner Motorsports. He did the intake and exhaust porting and polish work. All of the help received in this thread was great and i torqued the bolts as specified.. it was a bit tricky getting those rods seated but finally got them lined up and put everything all back together.
Impression: i took the bike for a good 20 mile ride and can definitely feel the increase in power from 4500 or so rpm up to redline. It has a nice pull now, especially noticed when going uphill in 5th i would sometimes need to downshift as it would start slowing down, but now i can stay in 5th and accelerate out of it. All in all im very happy with the results. Not sure if it winded up as a 4hp increase or not, but definitely feels good.. before i would worry on merges and keeping up with cars but not anymore. Next stop: install the 4 degree timing key.. curious what improvement that will yield.
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2024 Zuma Storm 150 DLX 2019 Beta 430 RRS 2018 VStrom 1000 XT Former China Bikes: Tao DBX1, Brozz 250, CSC RX4, Titan DLX, Templar X |
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#49 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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With proper jetting a ported head should see at least a 2 to 3 hp increase at the rear wheel depending on the carb you have. The 4 degrees of extra advance will also make a nice subtle improvement across the board.
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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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#50 |
Join Date: Oct 2020
Location: Central VA
Posts: 1,259
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Thanks.. right now i upped it from the 115 main to 120 main but still kept the 2 washers under the needle jet. Maybe ill try adding a 3rd washer to see if it makes any difference in a good way.
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2024 Zuma Storm 150 DLX 2019 Beta 430 RRS 2018 VStrom 1000 XT Former China Bikes: Tao DBX1, Brozz 250, CSC RX4, Titan DLX, Templar X |
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#51 |
Join Date: Dec 2018
Location: PNW
Posts: 982
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Nice pix! I noticed the same thing after porting, the motor sustains speed up hills much better and has more power on demand within the productive rpm range.
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#52 |
Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,651
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Porting the heads on the little engines has to be one of the best mods. The 4 degree timing key is the icing on the cake. Got my two timing keys yesterday. Looks like i'll be working on the Ghost and Hawk over the weekend.
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2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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#53 |
Join Date: Oct 2020
Location: Central VA
Posts: 1,259
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Nice! Are you planning on a video of the process on the Hawk?
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2024 Zuma Storm 150 DLX 2019 Beta 430 RRS 2018 VStrom 1000 XT Former China Bikes: Tao DBX1, Brozz 250, CSC RX4, Titan DLX, Templar X |
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#54 |
Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,651
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I sure will.
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2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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#55 |
Join Date: Oct 2020
Location: Central VA
Posts: 1,259
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Sweet! By the way, i found out the torque spec for the flywheel bolt is 54 ft/lb
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2024 Zuma Storm 150 DLX 2019 Beta 430 RRS 2018 VStrom 1000 XT Former China Bikes: Tao DBX1, Brozz 250, CSC RX4, Titan DLX, Templar X |
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#56 |
Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,651
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I think I might have mentioned that in my video on the X22R.
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2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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#57 |
Join Date: Oct 2020
Location: Central VA
Posts: 1,259
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I think the 3rd washer pushed it into too rich territory, ran fine but noticed some slight backfiring on deceleration and also the plug was fairly black and sooty. I stepped it back to 2 washers on the needle jet. I think the 120 main is fine for now, dont think it needs to backed down to a 115 just yet.
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2024 Zuma Storm 150 DLX 2019 Beta 430 RRS 2018 VStrom 1000 XT Former China Bikes: Tao DBX1, Brozz 250, CSC RX4, Titan DLX, Templar X |
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#58 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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That's about 5 uga-duggas.
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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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#59 | |
Join Date: Aug 2019
Location: Bay City, MI
Posts: 398
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Quote:
I found it was perfect until the air temp dropped below 40degrees. |
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#60 | |
Join Date: Oct 2020
Location: Central VA
Posts: 1,259
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Quote:
if not stock carb, have you moved the clip down on the needle jet? thanks I haven't changed out my pilot jet for reference
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2024 Zuma Storm 150 DLX 2019 Beta 430 RRS 2018 VStrom 1000 XT Former China Bikes: Tao DBX1, Brozz 250, CSC RX4, Titan DLX, Templar X |
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