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Thread: First Bike..CB 450 Police?

  1. #91
    Member Hamza's Avatar
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    Thanks gents...a new 530 non-o ring type chain with 96 links is on the way!!
    1972 CB450P2 Police
    1979 CBX 1000

  2. #92
    Member Hamza's Avatar
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    Hey guys...just wanted to jump online and give an update before I proceed to the next step..

    Right after the last update, I went to the machine shop to get a new sprocket machined. I ended up using tool steel which I had hardened post machining. It came out a lovely black colour but I had it galvanized to give it an OEM look.

    First Bike..CB 450 Police?-img_20190905_1226248.jpg First Bike..CB 450 Police?-img_20190905_1320385.jpg First Bike..CB 450 Police?-img_20190927_1733468.jpg First Bike..CB 450 Police?-img_20190930_1659579.jpg

    I also took the time to press in new bronze bushings into the swing arm..

    First Bike..CB 450 Police?-img_20190919_1613020.jpg First Bike..CB 450 Police?-img_20190919_1614115.jpg

    Moved onto the lower mounts for the rear shocks...used a manual press I fashioned out of a long bolt and some nuts and washers..

    First Bike..CB 450 Police?-img_20190919_1621361.jpg

    I finally received the fuel tank. I had it epoxy coated followed by a course of rust removal, converter and coating to prevent future degradation. I realized that the correct sticker for the tank is the one on a CB750 Police from the same time...ah well..i will run with this for now..

    First Bike..CB 450 Police?-img_20190923_1518444.jpg

    I assembled the top triple tree and I had some trouble figuring out how the rubber and the chrome ring went around the covers but I got some help online and figured it out!! I noticed a difference in width between the 2 sides of the top bridge of the triple tree..this is where the infamous D washers go..I may need to fashion my own so I was thinking I would do a custom job..how much 'give' do the clamps have before they give? I will build this into the thickness of the D-washer..

    First Bike..CB 450 Police?-img_20190925_1511124.jpg First Bike..CB 450 Police?-img_20191001_1208313.jpg First Bike..CB 450 Police?-img_20191001_1208360.jpg
    1972 CB450P2 Police
    1979 CBX 1000

  3. #93
    Member Hamza's Avatar
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    With that in place, I moved on to assemble the swing arm in place and then subsequently pressed in the rear wheel damper bushes so I could assemble the sprocket in place.

    First Bike..CB 450 Police?-img_20190927_1520221.jpg First Bike..CB 450 Police?-img_20190927_1535502.jpg First Bike..CB 450 Police?-img_20190927_1601527.jpg

    The front and rear brakes were next..a complete tear down and service followed by an appropriate amount of copper anti seize to the brake lobe contact faces..fresh brake pads front and rear...

    First Bike..CB 450 Police?-img_20190923_1455251.jpg First Bike..CB 450 Police?-img_20190923_1513368.jpg First Bike..CB 450 Police?-img_20190924_1603023.jpg First Bike..CB 450 Police?-img_20191002_1236258.jpg First Bike..CB 450 Police?-img_20191002_1242579.jpg First Bike..CB 450 Police?-img_20191002_1255480.jpg

    Rear Shocks + Front and rear wheels on the bike..

    First Bike..CB 450 Police?-img_20191002_1741310.jpg First Bike..CB 450 Police?-img_20191002_1741269.jpg

    Thanks to everyone's advice here, the engine went in very smoothly...the 5 ton hoist made easy work of the engine

    First Bike..CB 450 Police?-img_20191004_1829086_2.jpg First Bike..CB 450 Police?-img_20191004_1904074.jpg First Bike..CB 450 Police?-img_20191004_1917242_2.jpg


    I will now move onto the basic wiring required for me to start the engine...after setting the timing and setting the points etc..

    I had some questions and would love everyone feedback on how to proceed:

    1. Which oil should I use the first time? Any break in period recommended?
    2. Any particular break in method for the engine?
    3. Do I need to prime the oil pump like one would do in a car?
    4. Any tips and advice in relation to the first start up would be appreciated!!


    Its been an enriching project so far and I am getting close..thank you to everyone on the forum who has helped me get here and I hope to learn from everyone and get this thing started!!! fingers crossed............
    Attached Thumbnails Attached Thumbnails First Bike..CB 450 Police?-img_20191004_1917242.jpg  
    Last edited by Hamza; 10-13-2019 at 05:06 PM.
    knauff13 likes this.
    1972 CB450P2 Police
    1979 CBX 1000

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  5. #94
    Supporting Member Rayfromtheuk's Avatar
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    Wow! That's a real high quality build coming along nicely. Full of admiration.
    1966 Honda Black Bomber K0
    1966 Honda Red Bomber K0
    1966 Honda Super Sport/Ken Ives
    1966 Honda Black Bomber K0 Police x 2
    1969 CP450 K2 Police
    1965 CB450 KO 360 degree engine no CB450E 1503605 Japanese Domestic Market.

  6. #95
    Member Hamza's Avatar
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    Quote Originally Posted by Rayfromtheuk View Post
    Wow! That's a real high quality build coming along nicely. Full of admiration.
    Thanks for the generous words and appreciation 🙂

    I know you have exceptional knowledge of these police bikes! Any tips you can share as I near first time start up?

    Cheers
    1972 CB450P2 Police
    1979 CBX 1000

  7. #96
    Super Moderator ancientdad's Avatar
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    Things are going along well indeed, Hamza - definitely looking good. As for break-in... this varies according to who you ask. I've always been in favor of at least 300-500 miles of modest to medium operation to give the rings a chance to seat without a lot of excess heat from running harder with a much higher friction level due to the fresh bore and cross-hatch, but many feel differently and run their freshly bored engines harder, sooner. Much like engine oil choices, you'll find many opinions about this here as well.
    Tom

    CL450 project reboot, street legal this time
    Budget drag bike project
    CB350K1 full patina project
    Ride along at the drag strip


    running points... because I'm too old for mysteries that begin with pushing

  8. #97
    Supporting Member 12ozPBR's Avatar
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    Looking great Hamza, very impressive work! When I did my 450 engine I read and followed this.
    Proper Motorcycle Engine Break-In After Rebuild
    Im sure there are some others on here with direct experience to offer their advice. As for oil, I have always used Shell Rotella conventional for the first startup and daily use in all my Hondas. Maybe that is available to you in your country? Make sure you have assembly lube or oil on the cams and followers at first startup, and then you can loosen the right front acorn nut on the head when the bike is running to check that you are getting oil flow to the top end. Good luck and keep the pictures coming!
    Runners
    1971 Triumph Tiger
    1972 CL350
    1974 XL350
    1974 CB450

    Current Project
    1966 CB450 Black Bomber

  9. #98
    Supporting Member Rayfromtheuk's Avatar
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    This all sounds like good advice. It is so important to make sure the cams are getting oiled and this takes a good minute or two after start up. For that reason I always take things gently at first. Obviously check and cure oil leaks.
    1966 Honda Black Bomber K0
    1966 Honda Red Bomber K0
    1966 Honda Super Sport/Ken Ives
    1966 Honda Black Bomber K0 Police x 2
    1969 CP450 K2 Police
    1965 CB450 KO 360 degree engine no CB450E 1503605 Japanese Domestic Market.

  10. #99
    Member Hamza's Avatar
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    Thanks guys!

    So I am going to try starting it on Monday or Tuesday..
    I ended up setting the ignition timing...was a bit funny till I spent some time figuring it out..the LF and F marks line up with the timing mark as the light goes OFF.
    I also bench sync'd the carbs and will do the progressive sync once they are on the bike..

    I was wondering if I need to prime the oil pump? My experience in some old V8 motors dictates that some pumps need to be packed with petroleum jelly to allow it to build pressure to pick up oil from the sump.....do i need to worry about this at all with this engine?

    Also I was going to loosen the acorn nut and then crank the engine with the plugs out till i see some oil come up...short bursts of 10 seconds each or is that too long?

    Cheers guys....allllllmoooosttt there!!!
    Attached Thumbnails Attached Thumbnails First Bike..CB 450 Police?-img_20191016_193431_197_1571466582683.jpg   First Bike..CB 450 Police?-img_20191016_221212_191_1571466591628.jpg   First Bike..CB 450 Police?-img_20191016_221212_193_1571466598685.jpg   First Bike..CB 450 Police?-img_20191018_1136068_1571466631514.jpg   First Bike..CB 450 Police?-img_20191018_1145151_1571466677063.jpg  

    First Bike..CB 450 Police?-img_20191018_1327503_1571466722441.jpg   First Bike..CB 450 Police?-img_20191018_1327532_1571466760722.jpg   First Bike..CB 450 Police?-img_20191018_1354231_1571466798875.jpg   First Bike..CB 450 Police?-img_20191018_1718135_1571466855038.jpg   First Bike..CB 450 Police?-img_20191018_1752100_1571466967349.jpg  

    1972 CB450P2 Police
    1979 CBX 1000

  11. #100
    Super Moderator ancientdad's Avatar
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    If you were using a remote battery with the test light to set the timing (and not the actual ignition circuit power with the bike's battery) then you would get the reverse reaction from the test light. I have concern for the screw and lack of washer on the spark advance unit though... you need the proper washer with the 6mm inside diameter and oversize outer diameter to ensure the breaker cam on the advancer does not slip outward on the shaft while running. Also, you should rotate your points wire terminals so they will avoid contact with the points cover, as in the picture below. The oil pump will be immersed in oil when the engine is fully assembled and the correct amount of oil is in the engine, so it will prime itself once movement begins. You could certainly turn the engine over with the starter and the spark plugs out (kill switch off) to get oil flow to the top end started, and if you leave the exhaust valve cover off you'll be able to see when it starts flowing out of the cam lobe orifices. Be aware that the flow of oil to the top end is slow and takes 1 to 2 full minutes to get there, so pre-lube everything in the top end with the valve covers off until right before you start it the first time, and then keep the revs as low as possible for the first couple minutes to avoid excess friction that would wear through the film of oil from pre-lubing before the oil flow gets there. Personally, I'd rather leave the exhaust valve cover off and watch for oil coming out of the cam lobes orifices rather than loosen a properly-torqued head nut... but that's just me.
    Tom

    CL450 project reboot, street legal this time
    Budget drag bike project
    CB350K1 full patina project
    Ride along at the drag strip


    running points... because I'm too old for mysteries that begin with pushing

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