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10-07-2019, 08:10 AM
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#1 |
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Join Date: Oct 2019
Posts: 2
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herald scrambler engine swap
I have a herald scrambler that i love, but i want more power than the 125cc motor can give me.
Im thinking it would be possible to do a 250cc engine swap. i have a few questions: is the bolt pattern likely to align with a different engine? what 250cc engines are good and available to buy on they're own? can i buy an engine as a kit with the throttle and clutch included? has anyone done something similar with success? cheers for any info! |
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10-07-2019, 08:16 AM
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#2 |
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Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,855
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Welcome aboard! Should be a direct swap. A CG250 is basically a CG125 with a big bore kit.
Edit: After taking a closer look this looks to be a Suzuki clone engine. Please post pictures of the engine. https://www.heraldmotorcompany.com/o.../scrambler125/
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2025 Lifan KPT 400 2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 (Sold) 2016 Black Hawk 250 (sold) 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel Last edited by JerryHawk250; 10-07-2019 at 09:24 AM. |
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10-07-2019, 08:21 AM
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#3 |
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Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,855
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Another option would be to go with CB250 OHC with a 6 speed. The kit will include everything you need including a harness. https://www.ebay.com/itm/Loncin-250C....c100009.m1982
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2025 Lifan KPT 400 2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 (Sold) 2016 Black Hawk 250 (sold) 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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10-08-2019, 08:11 AM
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#4 |
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Join Date: Oct 2019
Posts: 2
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im not sure what engine it is a clone of.
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10-08-2019, 08:29 AM
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#5 |
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Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,855
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Nice looking bike.
 That's a clone of the Suzuki GN engine. I'm not sure on the mount locations will line up or not. Note the starter is located on the front of the engine VS the rear like the CG and CB engines. But anything is possible with a little fabrication.
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2025 Lifan KPT 400 2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 (Sold) 2016 Black Hawk 250 (sold) 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel Last edited by JerryHawk250; 10-09-2019 at 07:25 AM. |
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10-08-2019, 11:17 AM
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#6 |
Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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That is a sweet little bike!
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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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10-08-2019, 07:49 PM
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#7 |
Join Date: May 2006
Location: Yuma, Arizona
Posts: 9,056
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Suzuki clone would indicate Qingqi/Pioneer OEM. You have several brands whose OEM is Qingqi or Pioneer in the UK. They make 200 and 250 engines and the beauty is the engines use actual Suzuki parts.
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"They say that life's a carousel, spinning fast you got to ride it well..." TGB Delivery Scooter 150 TMEC 200 Enduro--carcass is sadly rotting in the backyard |
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10-08-2019, 10:31 PM
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#8 | |
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Join Date: Jun 2014
Location: NW Arkansas
Posts: 460
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Quote:
Absolutely love the Herald retro bikes but can't get them here in the US. These were offered with the same drivetrain as my SSR Xf250 which is a based on Suzuki GN250 design. If you google the GN250 motor you will actually see pictures of the Herald Scrambler equipped with it stock. Since that was an OEM option I suspect that would be the most straightforward swap. Sinnis and Pulse also sold bikes with this motor. Pioneer/Qingqi also makes a great 200cc Suzuki based motor as well.
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2013 SSR XF-250 2024 Royal Enfield Himalayan 411 |
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10-09-2019, 10:53 AM
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#9 | |
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Join Date: Apr 2017
Location: Woods, Maine
Posts: 247
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Quote:
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10-09-2019, 02:12 PM
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#10 |
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Join Date: Jun 2014
Location: NW Arkansas
Posts: 460
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Not sure how much they have in common, except the the CCW bikes use a CG type motor and have more in common with the CSC SG250. The Herald bikes come from Pioneer/Qingqi and use Suzuki designs.
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2013 SSR XF-250 2024 Royal Enfield Himalayan 411 |
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