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  1. timeconsuming

    How does sprocket size effect performance?

    Hello gentlemen My chain has been loosening itself a bit as of late and things are generally pretty worn (no clue when [if] the previous owner ever updating the sprockets and chain) so I was thinking I need an overhaul. New front sprocket and rear sprocket, along with a new chain. I believe...
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    Lookin for tips: cleaning do and don't

    Hey guys My bike is a daily commuter so it's seeing a bit of grime. I also might have a bit of an oil leak, as my top end has some wet oily bits on some of the fins and tappet covers and whatnot. Basically I was gonna pressure wash it and was wondering if anyone had any tips for the process to...
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    FUEL: Regular Unleaded VS Hi-Octane

    Hey guys Not sure if this topic has been covered, feel free to link me up if so! Anyway I was hoping to gather some opinions on fuel in vintage bikes. I have always run hi-octane (I think 91?) as I figure over the course of a year it's not that much more out of my pockets (+.20 per gallon over...
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    WTB cb400f Exhaust pipes

    Hey guys. Recently discovered some air escaping from the header on my #4 pipe of some old rusted Mac 4-1 pipes. Pulled the exhaust off to investigate and sadly discovered the lip on the end of the header pipes was completely sheared off... also the #3 pipe was about halfway sheared off... So...
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    Tail Light dim, bright on throttle (cb400f)

    Hey guys So recently I've noticed my tail light (LED aftermarket setup) has been acting wacky lately on my 75 cb400f. Basically the running lights are super dim when I first turn the ignition and get the bike idling. Sometimes almost completely out, as if my battery was low (when in fact it's...
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    cb400f Shortened exhaust / popping sound on throttle release ?

    Hey guys So my bike had a mac 4 -1 exhaust and I recently switched up the muffler to a shorty that I figured was a bit more open, so I was hoping the back pressure wouldn't change too much, however now whenever I release the throttle I hear some popping sounds coming out of the exhaust. Any...
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    Bare bones wiring diagram?

    Hey guys I've been tearing things off my bike left and right and have come to the realization that there are really only a few things I want on my bike: -kick start -headlight hi/lo/off switch -tail light + front & rear brake light switches in other words: -no electric start -no signals -no...
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    CA DMV driving test - vehicle inspection ?

    Hey guys Still riding on my permit but it expires in May and I'm considering just going and getting the test over with for the sake of maybe reducing my insurance rate with the endorsement. Anyway, I'm wondering if there is a sort of bike inspection during/before/after the riding test? Like if...
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    Doing away with idiot lights and misc electrical questions (75 cb400f)

    I personally hate the look of the stock cluster between the gauges so I unplugged the connectors and took it out. I recently picked up a new headlight and it has a nice little indicator light built into the top. I plan on using the indicator light in the new headlight as a Neutral...
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    Modern regulator-rectifier concern (CB400f)

    Hey guys Recently threw in a modern regulator-rectifier in my 75 cb400f and after testing the voltage at the battery and I saw these results: Bike off: 12.6 V - 12.7 V Idling (1k-1,200 rpm): 14 V - 14.4 V Revving (5k - 6k rpm): up to about 15.3 V at the highest, but steady around there while...
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    Headlight Question (75 CB400f)

    Hey guys So a couple weeks ago my low beam stopped working. Didn't really phase me, just ran the high beams at night and kept lights off during the day (actually kind of good to have the headlight off since the charging system is fully stock). Anyway, I went for a short ride tonight, with high...
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    cb400f new sprocket suggestions?

    Hey guys Right now I believe I've got what may be the stock sprockets on: 17t front / 38t rear. They're pretty worn so it's soon to be time for a new chain and sprockets. Being in San Diego I spend a lot of time on the freeway, so I'm considering altering that setup to do a little better in...
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    Mounting tail light under back of seat pan?

    Hey guys Just wondering if anyone has had any experience with mounting their tail light on the seat pan itself as opposed to the frame, axles, etc? I'm sort of hoping to recreate this seat I saw on ebay: Good idea? Bad idea? Any tips?
  14. timeconsuming

    Nostalgic Story Time - What got you into motorcycles?

    Hey guys Just curious to hear some tall tales of what first got you into motorbikes, whether it was James Dean, the Fonz, or just your friends (like me), it would be cool to read about! Fonz's bike is pretty sweet:
  15. timeconsuming

    Electric vs Kick

    Hey guys On my bike (75 cb400f) I have both an electric start and a kick start. And I do use both, though mainly because I'm new and still learning. The electric start saved my ass a few times when I was stalling a lot on the streets. /shame However part of me wants to strip things down and go...
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    San Diego scrap yards or custom shops?

    Hey guys I have pretty much only been to Trophy Motorcycles off El Cajon and 24 cycles over in Sports Arena (both awesome places with good people) but not a huge selection of stuff. I have a 75 cb400f, any tips for good spots around town to hit up for spare bits and odds and ends? Example: I...
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    CB400f spare parts

    Hey guys Ok so I snapped some photos of what I have lying around, let me know if you're interested in anything. Also probably going to be removing the rear fender and stock tail light/plate mount, along with eventually the metal air box/ battery holder, but that might take a little while before...
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    cb400f spark plugs

    Hey guys I just popped out my plugs to have a look and found these crust covered tips: In my clymer's it's got four plug types listed: NGK D8ESL ND X24ES BOSCH X290 T-17 CHAMPION A8Y-MC I've currently got the NGK's equipped but it seems they had a rough life (though I'm not certain how old...
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    Honda CM400 Tank (Rawed)

    Hey guys, bought this for my cb400f but didn't fit... So! Back up for sale. Great overall condition with minimal rust inside and out. Also omes with the functional petcock and the cap cover (also rawed). Feel free to make an offer (and be sure to include shipping), would love to see it gone...
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    Reporting in from San Diego with my first bike!

    Hey guys (and girls?) Recently bought my first bike after a few tedious months of craigslist hunting and a mounting impatience and anxious excitement. Here's the bike as I bought it, a 75 Honda CB400f: The bike runs great and it's just about the perfect size for me (5'6"). I have noticed...
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