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08-06-2019, 02:22 PM | #1 |
Join Date: Aug 2019
Posts: 2
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Zongshen 250cc help
Zongshen 250cc troubles...I finally got the bike to start, yet everytime I hit the throttle it bogs out. I also can't get the turn signals to work. Any help out there?
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08-06-2019, 03:25 PM | #2 |
Join Date: May 2019
Location: Port Huron, Michigan
Posts: 637
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Try partial and full choke and see if it runs any better, if it does its lean. That could be from a dirty carb or wrong jets. If it runs even worse its rich which could be again a dirty carb, miss adjusted float or wrong jetting. another thing to check is for vacuum leaks around the carb and head. With the engine running spray some carb cleaner or starting fluid around the carb mount on the head side and carb side and listen for rpm changes. If you notice the rpm change then its sucking air in which will cause all kinds of issues.
Do you have a voltmeter? they will go a long way in helping you chase electrical issues.
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2020 Triumph Tiger 900 rally. 2018 Bashan Storm 250. pz30b, digital cluster + gear indicator, unifilter and car customs full exhaust. 2019 Taotao 110b boulder atv. The "arm breaker" lol 2007 Honda VTX 1300R. 1974 Suzuki tm125, work in progress 2001 Suzuki Drz 400s. |
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08-09-2019, 09:28 PM | #3 |
Join Date: Dec 2015
Location: CO
Posts: 1,525
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Setting the RPMs too low on a small cc, single cylinder engine can also cause a few "bog out" situations (initial roll on bog, or when trying to hold a 0.1 to 1/4 throttle it can bog)
Some engines like the RPMs as low as 1250... but most of them like it sitting closer to 1500
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"Think as you like... but this self proclaimed Professor is always right" - Buckshot "You never know what someone is hiding beneath their smile..." - NinjaTom - R.I.P. |
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08-10-2019, 02:07 AM | #4 |
Join Date: May 2006
Location: Yuma, Arizona
Posts: 9,056
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Photos? Is it the twin engine or a single? We always like photos for fun here on this site, but it would actually help your cause so we can identify your bike.
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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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01-05-2020, 07:08 AM | #5 |
Join Date: Aug 2019
Posts: 4
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did you buy the engine separately? i'm trying to find places that sell zongshen engines in the uk or even mainland europe, only sites i have found look a bit dodgy!
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