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Author Topic: CB360 Brat Tracker  (Read 7669 times)

Offline raptormeat

  • Posts: 400
CB360 Brat Tracker
« on: Sep 16, 2013, 01:01:07 »
Just wanted to show what I've done so far on this babe.  She still only does 85, but I've got those cheap pods.  17T front sprocket 110 and 100 wheels. 105 secondaries and cm450 mufflers.  Tryna get this thing to hit the ton but I think the carbs need modification.  Any comments are appreciated...regardless of their positivity or lack of.  <p><p>
Minimal CB378 Brat
http://www.dotheton.com/forum/index.php?topic=53242.0

DTT Red, White, and/or Black 360 Club - We also discriminate!!

Sexy RD350 Cafe Thing
http://www.dotheton.com/forum/index.php?topic=55882.0

Offline nicefighter80

  • Posts: 9
Re: CB360 Brat Tracker
« Reply #1 on: Sep 17, 2013, 20:06:00 »
Looks good, what did you do with the battery?

Offline raptormeat

  • Posts: 400
Re: CB360 Brat Tracker
« Reply #2 on: Sep 18, 2013, 03:00:27 »
theres an antigravity 2.3ah 4cell tucked under the seat pan using industrial velcro...and zip ties...those things come in handy
Minimal CB378 Brat
http://www.dotheton.com/forum/index.php?topic=53242.0

DTT Red, White, and/or Black 360 Club - We also discriminate!!

Sexy RD350 Cafe Thing
http://www.dotheton.com/forum/index.php?topic=55882.0

Offline raptormeat

  • Posts: 400
Re: CB360 Brat Tracker
« Reply #3 on: Sep 28, 2013, 23:43:09 »
okay last bit of photos just to show the end product. tadaaa...
heres how she started out. 500 bucks with no title...took a while to get one...broken cylinder head stud...got a new head.....broken cam tensioner and missing cam guide...got both of those..now shes mean muggin....hope you like it...





Minimal CB378 Brat
http://www.dotheton.com/forum/index.php?topic=53242.0

DTT Red, White, and/or Black 360 Club - We also discriminate!!

Sexy RD350 Cafe Thing
http://www.dotheton.com/forum/index.php?topic=55882.0

Offline raptormeat

  • Posts: 400
Re: CB360 Brat Tracker
« Reply #4 on: Oct 01, 2013, 04:31:59 »
was wondering if anyone knows if you can fit NOS honda rings into Wiseco pistons? not sure why you wouldn't but who knows???
Minimal CB378 Brat
http://www.dotheton.com/forum/index.php?topic=53242.0

DTT Red, White, and/or Black 360 Club - We also discriminate!!

Sexy RD350 Cafe Thing
http://www.dotheton.com/forum/index.php?topic=55882.0

Offline honda53rider

  • Posts: 251
  • 77 XS400,73 SL350, 73 RD350
Re: CB360 Brat Tracker
« Reply #5 on: Oct 08, 2013, 23:57:35 »
Looks like a sweet bike! Do you have any info or pic on the battery that you used? Iv got a 73 SL350 that id love to put a really small battery on it. The SL350 i have didn't come with a electric start so all the battery needs to do is run the lights and charge to coil. I could use a capasiter and eliminate the battery but i don't feel like that would be the best best bet in my case.

Looks sweet though! Are you going to keep the tank like that or have other plans?
Why I wear a full faced helmet. 1. They are safer 2. Keeps the bugs out of my teeth 3. Hides my dorky smile I have because my old bike is actually on the road!

Offline raptormeat

  • Posts: 400
Re: CB360 Brat Tracker
« Reply #6 on: Oct 09, 2013, 15:16:30 »
thanks! i used an antigravity 4 cell lithium ion battery velcroed to the seat pan and held in place with a zip tie...probably keep the tank, the colors nice in the sun, looks rusty...its almost too small a battery but without electric start you should be good, just make sure you use a 35w headlight or youll fry that battery as i've learned
Minimal CB378 Brat
http://www.dotheton.com/forum/index.php?topic=53242.0

DTT Red, White, and/or Black 360 Club - We also discriminate!!

Sexy RD350 Cafe Thing
http://www.dotheton.com/forum/index.php?topic=55882.0

Offline raptormeat

  • Posts: 400
Re: CB360 Brat Tracker
« Reply #7 on: Feb 03, 2014, 05:30:22 »
Just wanted to shoutout that on EBay right now theres 2 $50 360 Tensioners and Guide sets. Not NOS but they look good.
Minimal CB378 Brat
http://www.dotheton.com/forum/index.php?topic=53242.0

DTT Red, White, and/or Black 360 Club - We also discriminate!!

Sexy RD350 Cafe Thing
http://www.dotheton.com/forum/index.php?topic=55882.0

Offline raptormeat

  • Posts: 400
Re: CB360 Brat Tracker
« Reply #8 on: Mar 12, 2014, 19:33:55 »
alright which one of you crazy fuckers does this belong to? ;D
big bore for the 360, got it from southeastern PA.  PJ? Yinzer?
going in tonight!!!


anything i should be aware of when doing this mod?
Minimal CB378 Brat
http://www.dotheton.com/forum/index.php?topic=53242.0

DTT Red, White, and/or Black 360 Club - We also discriminate!!

Sexy RD350 Cafe Thing
http://www.dotheton.com/forum/index.php?topic=55882.0

Offline raptormeat

  • Posts: 400
Re: CB360 Brat Tracker
« Reply #9 on: May 11, 2014, 04:57:07 »
got BORED ;D...new gauges (speedo is in kn/h though didnt want to spend 70+ on the one from MikesXS, high rise clipons, some stainless brake lines, Unis, and Mikunis, PAMCO e-ignition (could they have used any thinner gauge wires on that thing?)

...my compression is 180 psi way up here...i believe that makes it like 200psi at sea level...should be interesting to ride this thing in some thicker air, i think it will haul ass

Also in regards to the big bore conversion to 378cc:
Ive never read anyone having this problem, and maybe my copper head gasket was too thin right off the bat, but I had to put in 2 base gaskets to ensure the pistons didnt hit the valves at TDC

Mikuni VM28s with UNI Pods

Currently jetted for 7000ft altitude: hopefully this helps someone

30 pilots (despite the elevation, I've found that bleed type needle jets require bigger pilots, 25 and 27.5 were too lean)
1.6 Air Jets
175-P2 Bleed type needle jets
5DP7 Needles in the middle clip
200 Mains, i think 190s would be better though, get some exhaust backfire every so often

Also cant seem to get above 8k rpm in any gear...not sure if this is due to altitude or too rich mains?
Only one way to find out...but I am literally out of spending money for a month or so...so feel free to donate your mikuni hex jets, looking for 190s...I have 110-160 and 210-240 any size you need if you wanna trade.

« Last Edit: May 11, 2014, 05:38:45 by raptormeat »
Minimal CB378 Brat
http://www.dotheton.com/forum/index.php?topic=53242.0

DTT Red, White, and/or Black 360 Club - We also discriminate!!

Sexy RD350 Cafe Thing
http://www.dotheton.com/forum/index.php?topic=55882.0