Got my starter motor replaced around 72,000 miles (2010 GSA). Sluggish to start & would not start when hot - had to wait for the temp to drop before it would fire, so just got it replaced & no probs since.
Sluggish oh yes ;)
- Thread starter Santa-2512
- Start date
My old Hex GSA was always reluctant (slow) to turn over when hot. Allowing it to cool improved cranking ease. That said, it never let me down.
I cleaned the motor and regreased the starter gearing which helped, but I suspect the winding insulation slowly breaks down over time and successive heat cycles.
I’d wager an armature rewind and new brushes would improve things greatly.
I cleaned the motor and regreased the starter gearing which helped, but I suspect the winding insulation slowly breaks down over time and successive heat cycles.
I’d wager an armature rewind and new brushes would improve things greatly.
Depending on model year & starter type = level of difficulty / time
06 Hexhead
Valeo (long) Bosch (short) starter
2 bolts - starter to engine case, 1 spade connector to starter solenoid , 1 Nut to starter solenoid +Ve
Tools needed 1 T45 spline socket, 2 or 3 extension bars i used a long & a short (preferably with wobble ends)
Torque wrench 19Nm - but check for your bike / model
The plastic cover can be stiff to remove, but once out its easier to replace remove , Its a bit of a wiggle twist to get the longer starter units out, the shorter ones are easier
Make sure the locating dowel stays either in the engine block or starter , & isn't missing - mine stayed in the engine block
11 Twin cam
Bosch (short) starter
2 bolts - starter to engine case, 1 spade connector to starter solenoid , 1 Nut to starter solenoid +Ve
Tools needed 1 T45 spline socket, 1 T40 spline socket 2 or 3 extension bars i used a long & a short (preferably with wobble ends)
Torque wrench 19Nm - but check for your bike / model
The plastic cover can be stiff to remove, but once out its easier to replace remove , Its a bit of a wiggle twist to get the short one moving
I also removed the exhaust rear can to give me a bit more room - be aware the banjo clamp nut assys are crudded up and invariably the nuts shear
I replaced with OEM, but TBH any nut and bolt system could be used - providing you can get the old one out
According to Real OEM & The mothership, only the Bosch unit was fitted to the TC's
The longer units - Valeo (definitely) & Arrowhead (should) fit - I tried the Valeo it fitted .
They are offered as alternative spares from Motorworks
The TC's have the addition of the flapper servo to remove, but its only one T40 Spline
Removal / replacement is the same as above
Id you use a refurb / different motor to the Bosch unit , the Bosch plastic cover cant be reused
The Valeo has about 5mm clearance from the Servo box, whereas the Bosch unit has about 100mm
If you add additional starter& earth cables, the routing for the +Ve cable is tight by the servo connector, so needs a bit of teasing to get the servo connector plug attached / routed
First time took me about 3-4hrs taking my time
2nd time done in about an hour
AJJCornish
Registered user
Just replaced my battery with a Motobatt MBYZ16HD (Black) from Motorworks Via eBay (free postage and same price £79.90)
it replaced an Odyssey Extreme PC535 which has a production date of 09-13...so yes thats 11years old! but a hell of a difference in price!
it replaced an Odyssey Extreme PC535 which has a production date of 09-13...so yes thats 11years old! but a hell of a difference in price!
So battery should be here tomorrow 
New phone purchased but delivery delayed
Car failed MOT But failure was due to the cause of the knocking
So it needs Two ARB bushes and a front wheel bearing
The Bushes are cheap the FWB, comes as a complete unit so not cheap, but not eye watering expensive
Booked in for January
New phone purchased but delivery delayed
Car failed MOT
But failure was due to the cause of the knocking So it needs Two ARB bushes and a front wheel bearing
The Bushes are cheap the FWB, comes as a complete unit so not cheap, but not eye watering expensive
Booked in for January
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