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clutch

Clutch, Transmission, Drive Chain, Sprockets
peweetwo
honda305.com Member
Posts: 5
Joined: Sat May 04, 2019 11:38 am
Location: wigan

clutch

Post by peweetwo » Fri Aug 23, 2019 2:32 pm

Just like to say hello to every one,
i have a 1964 CB72 and the clutch is so hard, i have tried adjusting it but still drags,
tried new springs, the plates look ok at 3mm no distortion on the steels, there was no wire at the
back which i have seen on sum clutches,what is the right amount of plates for this year, help please

LOUD MOUSE
honda305.com Member
Posts: 7780
Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

Re: clutch

Post by LOUD MOUSE » Sun Aug 25, 2019 10:07 am

Welcome.
May I ask is your clutch 5 or 6 friction disc?
How many om the speedo?. ...............lm

peweetwo wrote:Just like to say hello to every one,
i have a 1964 CB72 and the clutch is so hard, i have tried adjusting it but still drags,
tried new springs, the plates look ok at 3mm no distortion on the steels, there was no wire at the
back which i have seen on sum clutches,what is the right amount of plates for this year, help please

peweetwo
honda305.com Member
Posts: 5
Joined: Sat May 04, 2019 11:38 am
Location: wigan

Post by peweetwo » Sun Aug 25, 2019 12:56 pm

Hi not quite sure i think there is six, regarding the speedometer 13000 but canot be sure its right as it was an import, just
orderd a new clutch cable as the one on the bike seems to long

LOUD MOUSE
honda305.com Member
Posts: 7780
Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

CLUTCH

Post by LOUD MOUSE » Mon Aug 26, 2019 9:31 am

It is possible the Clutch Adjuster in the Side Cover is warn inside.
Is the cable londer than stock?
Your bike should have 6 of each disc and 3 wires. .................lm

peweetwo wrote:Hi not quite sure i think there is six, regarding the speedometer 13000 but canot be sure its right as it was an import, just
orderd a new clutch cable as the one on the bike seems to long

peweetwo
honda305.com Member
Posts: 5
Joined: Sat May 04, 2019 11:38 am
Location: wigan

Post by peweetwo » Mon Aug 26, 2019 10:11 am

Hi Loud Mouse i think you are spot on, if its worn that will put pressure on the pushrod, your the second person to come up with this theory thanks, i will order the parts and let you no how i get on.

LOUD MOUSE
honda305.com Member
Posts: 7780
Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

Post by LOUD MOUSE » Mon Aug 26, 2019 10:31 am

Please do let me know how things work out. .............lm
peweetwo wrote:Hi Loud Mouse i think you are spot on, if its worn that will put pressure on the pushrod, your the second person to come up with this theory thanks, i will order the parts and let you no how i get on.

mike in idaho
honda305.com Member
Posts: 402
Joined: Sun Jan 29, 2012 9:18 pm
Location: orofino, idaho

Post by mike in idaho » Thu Aug 29, 2019 10:13 am

Sometimes a hard clutch pull can be traced to improper adjustment. Pull the outer cover off the right side and check out the angle between the cable end and the release arm. Ideally, with the clutch lever pulled back to the handlebar, that angle should be no more than 90° which gives the best mechanical advantage and the easiest pull. When the clutch lifter is adjusted when the cable is already adjusted out too far(tightened) you are trying to pull that arm and cable into a straight line to release the clutch, that makes a lot harder pull. In other words, put more slack in the cable before you adjust the lifter mechanism and the clutch will pull easier(might even fully release too).
'65 YG1
'65 CB160
'66 CL160
'66 CL77
'78 XS650
'79 GL1000
'69 T100R
'68 TR6
'69 T120
'72 750 Commando
my company car is a Kenworth

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