Step by step guide to adjust timing for a Chinese 110cc 4stroke quad bike

'Sam' isn't the manufacturer. If you by 1,000 in bulk from a Chinese maker they will call them 'Corrine' if you want with badges and decals to match.

Try the Baja manual (seller probably lives in California and chose the name).

https://www.google.com/search?q=%22sam%22+110cc+quad+manual

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Can
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help me with this brand quad any manuals or info I need plastics and seat ect 110cc

All made in China, all clones of the same one. Check the diagram for the Lifan 200.

https://www.google.com/search?q=wiring+diagram+for+a+2007+chinese+Shineray+200cc+quad

and the Maker website has a young lady waiting to help you on the right hand side.

https://www.shineray.com/

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http://chineseatvmanuals.com/service-and-repair-manuals-50cc-70cc-90cc-110cc-125cc-chinese-atv-service-repair-manuals-p-148.html

I did not see a manual at the Coolster web site, but it reportedly has parts for some models.

https://coolster.com/


50cc 125cc Chinese Atv Repair Manual Set Om 110set Service and Repair...

Stuart ~ maybe chubby people?

No really man, you've GOT to include the Mfg and your Model number!

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Change spark plug, no timing on 4stroke quad or trike. Need new gas also. Remove spark plug after trying for a bit to make sure it is getting gas.

please 1. check fuses 2.check spark using a timing light then 3. fuel with a fuel pressure gauge if no spark replace ignition module; if no gas replace fuel pump

Go to easyquad parts technical help and you can download a wiring diagram for apache 100, this should be the same as what you need.

sounds like you need to adjust the idle. it trying to move when the revs are high is what its supposed to do.

sounds like your rings are worn out.