Question about 2008 Lifan LF200 GS Sport

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How big can you bore a Lifan 200cc engine I want more power and speed so what big bore kits are available

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Hi, Dylan that would depend on the availability of oversize pistons, traditional performance mods are:
1. Free flowing air cleaner.
2. Carburetor Jet Kit.
3. Performance camshaft
4. Performance exhaust system. For this situation, I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Lifan 200CC Mods
glopdf sdduilawyer co
Lifan 125GY 5 Owner Manual

Posted on Dec 26, 2016


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Posted on Jan 02, 2017


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1 Answer

Will a 56mm cylinder kit fit a 064

It seems that YES a 56mm aftermarket cylinder is available for the Stihl 064. Looking at the kit you need to just replace Cylinder, Piston and rings, bearing bush and clips. Worth also replacing the base gasket too.

May 01, 2016 | Stihl Models 064, 066, Ms640, Ms660


How to tune / de-restrict a 2 stroke

2 strokes in lower ccs are usualy slow, so heres a list of things you can do to de-restrict and tune your 2 stroke.

1) Get a racing exhaust, Key part too most 2 strokes is a good exhaust, this will remove some restrictions. Gianelli, Big One, fmf and many others are available on ebay or your local bike shop.

2) Big Bore kit, adding a big bore kit can give up to 30% more performance, and will usualy de-restrict the bike. search ebay for (Bike Model) (year) Big Bore kit. it will come usualy with everything you need for the upgrade.

3) Carbon Reed Valves, are a key part too your acceleration, also removing the little cages that stop them opening all the way and replacing with big washers is another good step, make sure theres nothing for your reeds to nock on when removing the cage.

4) Boost Bottle, a boost bottle will help 2 strokes with no reed valves more then reeded bikes but will give alot more low and high end performace. search ebay for (bikes cc) boost bottle.

5) Jets, are a key thing when getting a bore kit or race exhaust. you MUST change the jets if you change exhaust, get bigger ones if you get an exhaust go a few sizes over and check the spark plug if its a brown tan/ grey collor you got it all right, if its black it means you have to much fuel so go smaller, and if its white it usualy means not enough fuel. you can buy jets from any motorcycle shop usualy around $1 a peice. you onyl need to change the Main jet.

6) Air Filter, you dont need it on most bikes but it could add extra acceleration, measure your carbeurator intake and search it on ebay for a K&N style filter, Power filter.

7) Restrictors in the intake, some 2 strokes have restrictors between the carb and the cylinder, it is key to remove these or drill them out to the size of the carb/ cylinder hole size.

8) Sprockets, if your lucky enough to have a chain and sprockets, its a nice trick to change sprockets on your bike.
For Top Speed - Bigger front sprocket & smaller rear sprocket
For Acceleration - Smaller front sprocket & bigger rear sprocket
by bigger or smaller i mean more or less teeth on the sprocket. if you go for speed your acceleration will lack and vice versa if you go for acceleration you will loose top speed.

9) Electical Restriction, Some bikes are restricted in the CDI, if yours does not want to reach a good RPM search up CDI, de-restriction. usualy it involves cutting a wire between the CDI and engine. and will unlock that slow engine into a screaming 2 stroke.

If you follow all these steps your 2 stroke will no longer be restricted and slow and will be the fastest arround.

on Feb 16, 2010 | Motorcycles

1 Answer

I have a lifan gy200-2 bike got a new carb its floodin out how do i fix it

Hi, William and the usual suspects are:
1. Dirt or other foreign matter between float valve and its seat.
2. Float valve sticking.
3. Float valve and/or valve seat worn or damaged.
4. Float misadjusted.
5. Float cracked, leaky or damaged.
6. Excessive "PUMPING" of hand throttle grip.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Lifan china 200cc engine thread used on dual sports Page 2 Chinese
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Lifan LF200GY 5 Owner Manual EN pdf

Apr 15, 2016 | Lifan Motorcycles

1 Answer

Have a 200cc chinese quad. I think its an air cooled Lifan engine. I can hear starter motor spinning but dosnt turn engine. any advise would be apreciated

Try taking a look at the starter and flywheel while attempting to start the engine. Does the small gear at the end of the starter move forward and engage the flywheel when you try to start the engine? Could it be stuck? The small gear must move forward to engage the flywheel. Keep your fingers away from the moving parts.

Feb 15, 2015 | RTO 200cc Full Size Four Wheeler ATV

1 Answer

Pulsar 220 fi

There are many On-Line Stores that sell all the components you are needing for your motorcycle. What you need to know is how big of a Bore Change are you attempting? .050's is about all you can do but you will need access to someone who can Bore out your cylinders. you need to FIRST figure out how far you need to bore. If you go too big, you will cause problems in the future. Once you decide how big, then ordering the kit is easy...

Mar 03, 2014 | Motorcycles

1 Answer

I want to modify my ghost 50 with malossi kits or airsal cylinder an power converter an exsoss

All engines are tunable! There is an 80cc big bore kit available here

Just don't expect neck wrenching acceleration and 5 mile wheelies. Good luck. And keep it rubber side down.

Aug 22, 2012 | 2010 Dafier Ghost 50

2 Answers

I have a klx 250s 2009 model and was thinking about getting a new needle and slide put in plus a 300 big bore kit will this give it more get up and go...

The 300 kit should produce more power, and you may need to rejet the carby to match the 300 kit
A good after market muffler also increases power
A needle and slide will not produce more power, unless the current ones are very worn and supplying the incorrect mixture.

May 01, 2011 | kawasaki KLX 250 Motorcycles

1 Answer

Can i swap my 50cc engine for a 125 or 180 easy enuff to fit in my runner

You can fit a 125 or 180 but you will need grind the engine mounts down - you'll also need to change your wiring loom along with the cdi and ignition unit - your better off putting a big bore kit on your 50 and change the variator and rollers etc - if it's speed your looking for i'd go with the big bore option - if set up correctly your 50 will kick the *** off and 125 - 180

Mar 30, 2010 | 2005 Gilera Runner VX 125

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