Big Motorcycles - Recent Questions, Troubleshooting & Support

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I've got a Big Boy 125cc Swift scooter, it starts with the kickstarter, it swings with the selfstarter but don't start. What can the cause be?

You need fuel, compression and a spark, to make a petrol engine run. Which one is missing.
3/15/2024 6:59:22 PM • Big Motorcycles • Answered on Mar 15, 2024
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Looking for a replacement Petsafe PAC00-13207 pump

Katherine, Check out some of these sites.... https://duckduckgo.com/?t=ffab&q=Petsafe+PAC00-13207+pump&atb=v159-1&ia=web Best to you and your Dog.
8/18/2023 11:43:27 PM • Big Motorcycles • Answered on Aug 18, 2023
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2003 big dog chopper owners manual

https://www.dropbox.com/sh/4342373flodnbhj/AACDvhA93EOHPPKCs2gYPQDPa?dl=0
6/19/2023 1:37:31 PM • Big Motorcycles • Answered on Jun 19, 2023
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HOW DO I CONNECT THE CDI AND RECTIFIER UP

I'm sorry, but I cannot provide specific wiring diagrams or instructions for connecting components on specific vehicles, as it can vary depending on the make and model of the motorcycle. It's important to consult the user manual or seek assistance from a professional mechanic or experienced individual who is familiar with the specific wiring requirements of your Big Boy GPR 250 motorcycle. In general, the connection between a rectifier and a CDI (Capacitor Discharge Ignition) module typically involves the following steps:
  1. Locate the rectifier and CDI module on your motorcycle. Refer to the motorcycle's manual or schematic diagram for their specific locations.
  2. Identify the wiring terminals or connectors on the rectifier and CDI module. They are usually labeled with letters or symbols.
  3. Connect the DC output from the rectifier to the appropriate input terminal on the CDI module. The rectifier converts the AC current from the motorcycle's alternator into DC current, which is required by the CDI module.
  4. Connect the CDI module to the ignition coil. The specific terminals or connectors will vary depending on the CDI module and ignition coil used. Refer to the CDI module's manual or schematic diagram for the correct connections.
  5. Double-check all the connections to ensure they are secure and properly attached.
It is crucial to follow the manufacturer's instructions and specifications provided for your specific motorcycle model. If you are uncertain about the wiring or connections, it's best to consult a professional motorcycle mechanic or seek guidance from someone with expertise in motorcycle electrical systems.
6/9/2023 1:00:30 AM • Big Motorcycles • Answered on Jun 09, 2023
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Big Boy Flame 200cc Motorcycle. I'm looking for a owners manual please.

I suggest checking the manufacturer's website or contacting their customer support for assistance. They should be able to provide you with the appropriate owner's manual for your Big Boy Flame 200cc.
3/13/2023 11:13:50 PM • Big Motorcycles • Answered on Mar 13, 2023
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1977 Suzuki GS750. How to remove the valve assembly please

It looks like there is a special valve shim removal tool. Yes, the shims would be removed first. The valve spring compressor hooks under the spring as low as you can get and then the top presses the valve spring washer to remove the split collet in the washer well. There are some videos here that may help https://www.google.com/search?q=1977+suzuki+GS750+valve+removal ..
12/6/2022 9:52:04 PM • Big Motorcycles • Answered on Dec 06, 2022
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Matchless G80 carburetor tuning.

Wow, that bike is a blast from the past. They were around when I was kid in Birmingham. It looks like 180 is the standard size. https://www.google.com/search?q=matchless+g80+carburetor+main+jet+size ..
12/6/2022 9:32:29 PM • Big Motorcycles • Answered on Dec 06, 2022
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Hi.I got a big boy TSR250 motorcycle.Bought a new card and throttle cable.Bike idels on full choke normal On half choke higher and no choke it skyrockets COMPLETELY I can tune as I want.

.As soon as I touch the throttle it will go to the sky.Have you any idea what that can be.Thanks. ... read more Doug E. Vintage M/C restorer Vocational, Technical or Trade Scho 2,485 satisfied customers1982 Honda Goldwing Aspencade: carburetor..bike..gas line..air filter I have a 1982 Honda Goldwing Aspencade, it has been sitting for about 2 years now, when I first got the bike I cleaned the carburetor, adjusted the valves, and did a oil change, I also cleaned the gas ... read more Doug E. Vintage M/C restorer Vocational, Technical or Trade Scho 2,485 satisfied customersI have a 1982 Goldwing GL1100. I have replaced the carburetor I have a 1982 Goldwing GL1100. I have replaced the carburetor diaphragms, the pilot jets, and the idle mixture screws. I have cleaned the carburetors. I have adjusted the valves. I have rebuilt the petcoc ... read more Doug E. Vintage M/C restorer Vocational, Technical or Trade Scho 2,485 satisfied customers1982 GL1100: carburetor..The bike idles fine
11/5/2022 1:02:12 PM • Big Motorcycles • Answered on Nov 05, 2022
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What is the valve clearance on a Big Boy 200cc Flame bike, and do you do it once on TDC.

'Big Boy Flame Bike' so like a Chinese 'friendly name', rather than a standard 'year make model'. Yes valve clearance is measured at TDC when both the Inlet and Exhaust valves are closed. Help in the link. It is an easy job. https://www.google.com/search?q=valve+clearance+on+a+big+boy+200cc+flame+bike ..
9/5/2022 5:57:27 PM • Big Motorcycles • Answered on Sep 05, 2022
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How do I know if timing is off, and how do I time it correctly? Would also like to know how to properly set valves. It's 2008 TRX 700xx,

The timing does not move on its own. Was it OK before? Put the old exhaust back on ... check it runs.
5/16/2022 6:56:56 AM • Big Motorcycles • Answered on May 16, 2022
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Big Boy 150cc workshop manual

There may be a question within your statement. Try again and you may get an answer. explain you have one to share or you need one. If you need one, try google.
5/15/2022 7:07:56 AM • Big Motorcycles • Answered on May 15, 2022
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What is the valve gap exaust side and incoming on a big boy 200cc superlight motorbike

No data exists. This bike is only available in South Africa. Buy a manual from your local dealer. https://www.google.com/search?q=big+boy+200cc+superlight+valve+clearance ..
1/4/2022 10:55:14 PM • Big Motorcycles • Answered on Jan 04, 2022
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Big Boy Sportflite 150 owners manual @

How do you replace head lights?
6/4/2021 9:22:41 AM • Big Motorcycles • Answered on Jun 04, 2021
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My 650 twin belt light will not reset I have reset in the past now the light stays on. Is this a big deal ?

Maybe the belts needs changing. Or the tensioners need to be changed.
6/4/2021 6:04:37 AM • Big Motorcycles • Answered on Jun 04, 2021
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I got a 2005 dyna FXDL. I hit a big bump at 50 or 60 km. Came to stop sign and bike stalls. Gives code pn67481-04. I can't seem to find what this code means. Help please

I could be way off on this one. Going to share the link as it may help you. ttps://www.hdforums.com/forum/general-harley-davidson-chat/302802-updated-how-to-diagnostic-trouble-codes-dtc-s.html
5/11/2021 9:25:47 PM • Big Motorcycles • Answered on May 11, 2021
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Hi, I replaced the switch mounted below the brake handle, but the brake light work intermittently, it seems there a wiring problem somewhere. where to from here. thx

test ground -socket-harness-bulb-even switch so basically the whole circuit
8/27/2019 11:38:11 AM • Big Motorcycles • Answered on Aug 27, 2019
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Good Evening everyone, I am currently in South Africa (Should someone advise me on calling a certain call center etc) I purchased a second hand Big Boy Tsr 250, I was told it needed a new battery, as there wasn't one in at the time. It was also made clear the bike had returned from a mechanic recently, due to electrical issues, so the indicators did not work, and the break like was always solid red, didn't change even when I break front and rear. I took the battery back to the seller, wanting to start it and test drive it.. It didn't Want to start.. No clicking over noise, nothing, just dead. Ubered back home, woman phoned like 30 mins later saying it was just a fuse that was loose (which since buying it, that same fuse has come loose once already, knowing the fault, I got that quickly..) I paid them, rode it home(8km/5mi) And it was clear the motor was a bit warm, quite quickly for such a short distance. Rode it once a day, 6.2km/3.8mi for 4 days, then it just didn't want to idle like before, it struggled to take, then when it did, I had to keep the revs up constantly or else it died. Made it to Uni, When I left, to go home, it was harder to keep it going, I had to maintain speed, second would almost stall.. The next day it would start, just a clicking noise by the solonoid, thinking that was the problem, not being much of a motor guy, I replaced it. Didn't solve the problem. Wanting to know how to fix it myself, can someone maby give me a couple of faults or tips on what it may be. (Don't judge me, I bought a kx450 new like 5 years ago, had it for 2 weeks and then it was stolen, so I don't have a lot of money to spend on a motorbike, knowing in South Africa it's not a case of "if", but "when" are the going to steal it, so I might of been reckless in buying it, just wanted something on 2 wheels to mess around with) Any other advise on what other components I should check or replace just to have it running at its best would be appreciated, Kind Regards, Tom

Sounds like a voltage regulator problem....clicking at the starter solenoid is an indication of a dead battery....since You are not mechanically able to trouble shoot the voltage regulator problem Your cheapest fix will be to wire a Battery Tender to the battery and charge it overnight....Make sure the Fluid Level in the Battery is Correct.......
3/27/2019 5:36:25 PM • Big Motorcycles • Answered on Mar 27, 2019
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