/r/bikebuilders

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Motorcycle building/modification of all types.

/r/bikebuilders

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2

W800 digital tachometer

Hi all! I need an advice.

I am trying to modify my kawasaki w800 from 2012.

What I am struggling to do is the tachometer swap. I hate the original one, I would want a smaller one.

The problem is I don't know which one to buy. I made an error buying a digital mechanic tachometer and I realized the original one has just electronic connection, no mechanical wire to read km.

I am really struggling to understand which one can I buy.
Can you guys give me some models or links to tachometer that work plug and play with just digital connections?

0 Comments
2024/09/30
20:30 UTC

2

Which tanks fit on a 2018/2019 T120 Black?

I'm wanting to get a spare tank for my Triumph T120 Black to customise it but can't really find any online. I also cannot find a straight answer about taking a tank from another model and using it on a T120?

Will a 2018 T100 tank fit? Will a 2018 Speed Twin tank fit? Any help is appreciated. Cheers.

0 Comments
2024/09/30
15:06 UTC

1

Few questions in regards to exhausts on Enduro/Dual-Sport motorcycles

Are there different categories in regards to what type of an exhaust pipe can fit or is suitable for an Enduro/Dual-Sport motorcycle? Are exhausts for this type of motorcycles falling into one category, and are there variations in regards to the shape of the exhaust, displacement-specific exhausts, riding style, etc?

Also, in terms of how loud the motorcycle exhaust is or how "spiky" it becomes during acceleration? Which exhaust types are more "spiky" during acceleration and which exhaust types are more on the bass side?

There is a local motorcycle shop that is selling Zongshen motorcycles which are somewhere in the between of an Enduro and Dual-Sport motorcycle, and there is a specific 300cc model whose exhaust pipe' sound is kind of aggressive or "spiky" during acceleration. Are mufflers applicable in such situations and are they related to sound output? What is the difference between a motorcycle silencer and a DB killer? Is every exhaust pipe suitable so that a silencer or a DB killer can be installed on it? Thanks in advance

Edit: Here is an image of the exhaust (https://imgur.com/screenshot-xzxXp4y)

1 Comment
2024/09/29
12:49 UTC

0

Is body-kit/crashguard necessary on SUZUKI ACCESS 125 RIDE CONNECT EDITION?

I have a pretty simple question. My local Dealer insisted that I should install the body-kit on the Suzuki Access 125 Ride Connect Edition supplied by the Dealer. While I was a bit hesitant initially, but later I installed this. But later I have found out that they have drilled the front fender while installing the steel make body-kit. I don't know how far it will save the scooty from scratches and minor dents. I have chekced the websites about the tentative price of the front and rear fender, it should be around Rs. 1800/- with labour charges, don't know if they are covered under first-party warranty.

The price of the body-kit charged by the Dealership is around Rs. 2200/-. First Party insurance charged around Rs. 6000/-.

I guess this is the trick of squeezing an unsuspecting customer's money.

Still wondering what is the benefit of installing a crash-guard or body-kit on a scooty? Afterall, joints will become loose and also become noisy. Secondly, God forbids, if the scooty falls for any reasons it won't be saved from dents and scratches. Then it has to be sent for insurance claim.

But there is an obvious prevalence on the road of the body-kit/ crash-guard fitted scooties. Anyone please willing to explain the benefits or demerits of installing body-kits/ crasjh-guards on a scooty? I am somewhat regretting as they have drilled the brand-new scooty while fitting the body-kit/ crash-guard. I did not know that drilling was necessary. I thought the the screw-grooves would do the task and no unnecessary drilling would be required.

1 Comment
2024/09/24
20:31 UTC

0

1983 Honda Magna: Fuel Tank Swap

Howdy! I’ve got a project 1983 V45 Magna and the fuel tank that came on it was wrecked, as was the sub fuel tank underneath the seat. I’m looking to Frankenstein this bike since it’s all a hodge podge anyways - i need a fuel tank with an 8.5-9 inch tunnel width and I’m looking for ideas. Any make. Any model. Hit me with em

8 Comments
2024/09/23
23:35 UTC

1

Looking for adding a top-box to Honda CG 125 2008 model.

Hi, I’m looking to attach a solid square top box to a Honda CG 125 ‘08. I am not sure which metal bracket I need to attach to the bike, please could someone advise.

I would appreciate any suggestions for a square top box too.

Thanks in advance.

0 Comments
2024/09/23
10:14 UTC

2

Can I fit a 3.25" tube type tire on a 3.5" rim?

My motorbike is going to have a 17x3.5 rear rim and I havent been able to find a tire for it amywhere online, and when I thought I ordered a set with a 3.00 and 3.50 thick tire, the dealer contacted me and said they had no stock of the 3.50 and dont know when another will come in stock. I called and they said some rims had some wiggle room with tire sizes and said my rim might be able to get away with having a 3.25" tire instead of the 3.5". The tube I have for the rear tire is good for a 3.5" to a 4.1" tire, according to the listing. Please have some grace, as I am new to bike building and tires especially, but am just wondering if something like that could work. Thank you guys in advance.

3 Comments
2024/09/21
04:51 UTC

3

Custom project help

I’m attempting to put an gs500 engine into a different model bike. I’m unaware of the bikes make n model but have it laying around with full fairings and electrics minus the engine. I’ve placed the gs500 engine into the frame with slight adjustments but now I’m stuck as I have the original electrics that work fine (when I put a new battery in I tested) but can I still use these electrics and if so how can I make it connect to the new engine? Do I have to replace certain parts like fuses or regulators ? Or do I buy a new harness for a gs500 and re-wire everything ? (Any advice is welcome. Any other problems people have faced if they’ve done this )

4 Comments
2024/09/19
21:17 UTC

3

Best practices for applying rattlecan plus 2k clear?

My frame and swing are at the ready for paint stage, I have duplicolor perfect match color + USC 2k clear

Other than sanding, primer, degreasing, tack cloth — what is the best order of operation when it comes to applying the color and clear coat ?

3 Comments
2024/09/19
20:34 UTC

0

Dirtbike to moped

I am trying to make a "supermoto" registerd as a moped

My plan is to take a yz125 roller or something similar and put a built 98cc Coleman motor in it. So everything about the motor specs will be legal other than top speed that I will tell them only goes 30.

Is it possible if I put on the proper requirements like headlights, taillights, turn signals and such on the bike that I can get it registered as a moped.

I'm only 15 so I am trying to have a ride I can enjoy on and off the bike.

Basically I'm asking if do you think it's possible?

and I know this isn’t the most ideal subreddit for this question but yk

11 Comments
2024/09/16
15:44 UTC

3

Need help finding a fender!!!!

6 Comments
2024/09/11
23:40 UTC

23

Racing a bike I built.

I apparently posted about this bike a while ago, or more specifically about making the carbon fiber fairings. Anyway, I finished the bike, mostly. Had a move get in the way and slow things down, but this year is the first time I've raced it. It's a mini on 12" wheels, 1" longer wheelbase than a Honda Grom. I entirely designed and built the frame, swingarm, foot controls, exhaust, tank, fairings, adjustable triple trees, and internal parts in the suspension and engine. It's a 30" seat height, sprung for me, so 190 pounds before gear, has 25hp, and weighs in around 175 pounds. This mechanical misadventure has been one hell of a ride, and literally started with "How hard can it be?"

https://preview.redd.it/54jeh8ogl9od1.jpg?width=6000&format=pjpg&auto=webp&s=af6da0d71bab2686ab0c0f393700d5fc1cf1d150

14 Comments
2024/09/11
23:31 UTC

3

How to get this out?

Rear tail light. Mystery wire to Lower middle bulb? No idea what it is or how to get it out of the housing.

5 Comments
2024/09/07
04:12 UTC

10

Sweat is very corrosive!

Working on the tank for my FZ1 and left it over the weekend. It's summer so I was sweating. I know most of us are familiar with raw steel and it's ability to flash rust. But this one made me chuckle.

2 Comments
2024/09/02
21:28 UTC

1

Fuel Pump Woes - Ducati 916

I have a '95 Ducati 916 that won't start. Fuel pump doesn't prime at ignition, and bike won't turn over when cranking. Got it apart, and at the bike side of the last connection before the fuel pump assembly in the bottom of the tank, it sees 10.8-11 volts when run switch is flipped (priming). Meanwhile, the pump assembly still installed in the tank which is pulled off, runs with hot leads off the battery at just over 11v. Is there anything I should be looking at besides cleaning and trouble shooting this connection? Is the 10.8v at that connection sufficient? I don't have a variable power source to check that with hot wired into the pump. Thanks!

9 Comments
2024/09/01
00:15 UTC

2

Tube selection?

Thinking of going to a 26" found a rim and tire. Tire size 150/50r26. My question what is the proper tube for this setup?

1 Comment
2024/08/31
22:34 UTC

2

K100/K75 Pro Link Chinese CNC75 Subframe

Hi fellow builders ! Did any of you bought the Pro Link CNC Subframe for K bikes from Ali or eBay ? Interested if any good ?

Link

0 Comments
2024/08/27
15:10 UTC

0

Did Someone Say "Carbon Fiber?" | Ducati 900ss Cafe Racer by Purpose Built Moto

0 Comments
2024/08/27
03:18 UTC

51

What kind of suspension is this?

This is a custom rear suspension kit you can get for BMW K100s. What would you call this kind of suspension? I’d like to search for other examples to learn from

29 Comments
2024/08/24
14:15 UTC

1

anyone build a bike with a zongshen 172fmm 4 valve? any info on them

want to upgrade the engine to a bigger one to replace a cg125 clone its too slow. for 1000cad its in my price range and makes a claimed 25hp! it seems to be a popular engine swap with chinese enduro's. lots of videos on youtube but none in english. i was wondering if anyone is familiar with them, or has built a bike with one before

https://preview.redd.it/gobleaby32jd1.jpg?width=1280&format=pjpg&auto=webp&s=500cf6b35293066ae8ff8a17732916e8bc05b6be

2 Comments
2024/08/16
16:56 UTC

32

Starting to build it

I've been eyeing this frame for a while now and got myself to buy it to get into building more powerful bikes. I am fitting a 125cc 4 speed Honda Cub clone engine onto it, and will be using 15-17" rims, sadly with drum brakes, since the frame cant support disc brakes. There is also no suspension but I bet it would make the bike more fun imo. I will keep posting my journey with tons of questions relating to the basics of what I need to work on and how something would work.

7 Comments
2024/08/16
04:10 UTC

2

Advice on a potential project

Hi Guys, wondering if someone could help answer a question for me. I’ve repaired a couple of write off bikes as projects but now I’m looking for my first big project and I want to build something special.

I’ve been wanting to build a custom bike with a 90’s Yamaha FZX750 as a base (Idk why but something about the way they look just sings to me.) and I’ve been wanting to do an e fine swap on it, namely I’ve had the silly idea of wanting something with a lot of torque. Would it be theoretically possible to swap in a big parallel twin in place of its stock transverse four cylinder? If so / if not would anyone have a recommendations or what could potentially work.

TL;DR: I want to engine swap something torquey into an old Yamaha FZX750, need recommendations.

2 Comments
2024/08/15
20:43 UTC

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