RE: '90 CBR1000F handling

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RE: '90 CBR1000F handling - help a newbie

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RE: '90 CBR1000F handling - help a newbie - 1/20/2007 4:18:06 PM

waz57

Posts: 389
Joined: 5/22/2006
From: Gladstone, Queensland Australia
Status: offline

You sound like you are about my age nearly 50 anyway I thougth I would give you my thoguths on tyres I put Bridgestone Batlax BT 20 on my girl and I had to replace the rear in December BUT I got 12,400 Kls out of it, my frotn one has 13,000 Odd and I still expect to get anopther say 2 to 3,000 Kls from it. Iput on a Pilot Road and out of the two I prefered the Batlax. My riding conditions are say 80 straight roads anythign up to 500 Kls on a weekend and occasional bends when I can find them. I am 6 foot 3 and about 120 Kilos wife the wife being 70 odd kilos and we carry up to 40 Kilos of luggage on a trip. I too only got back on bikes last year after an absence of nearly 25 years but since May last year we have clocked up 20,000 Kls as it is my work vehicle as well. Hope this helps you out.

Wazza

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(in reply to michnet76)

Post #: 16

RE: '90 CBR1000F handling - help a newbie - 1/22/2007 2:34:40 AM

michnet76

Posts: 97
Joined: 1/19/2007
From: Riverland, South Australia
Status: offline

Thanks Wazza... LOL, no not 50, although some days it feels like it... no I just clocked 30 on the old age clock but getting married young and having a 13 year old daughter makes me feel older!

I've priced new tyres for the thing and I can see why the guy wanted to get rid of it!! Last time I brought a tyre it cost me $150 fitted, mind you it was a skinny thing... prolly 90 or 100 wide and that was a battlax by memory. Local bike shop got back to me today and has quote aroud $275 ea tyre plus upto $30 each for fitting on the bike.. $15 a pot if I bring the wheels in. Quoted tyres are Michelin Pilot Roads, but she mentioned other brands would be around the same. I also asked for rough price to get a mechanic to do a roadside check and quote around an hour... So if I go to these guys I'll walk away around $700 poorer!!

I checked out some online tyre sellers and I can get Dunlop D220's for $360 all up (exc. freight) and there's even a mob on eBay selling the Mich Pilot Roads for around the $190 + $15 delivery mark.

I'm not sure I'm a confident enough mechanic to be pulling the wheels off of this thing... never played with a chain'ed bike before and all looks complex! Alternative is to get some pricing in Mildura (140km east) or Adelaide (240km west) and see if it works out cheaper.

On the plus, I've racked up 50km on the CBR and starting to feel more comfortable and trusting of the bike.

She has some rattles though, they do mostly seem to go away after she's warmed up, so the initial sounds are prolly the CC and/or CCT, but I've been reading about adjusting the backlash thingy as I've been reading on these forums and see if that helps with some of the rattles. She seems to run nice... slightly lumpy idle but no lack of power in the low revs. Could probably do with a carby sync and valvae clearance checkup.

Wow these things have the potential to be an endless syphon of the wallet!!

(in reply to waz57)

Post #: 17

RE: '90 CBR1000F handling - help a newbie - 1/22/2007 11:24:54 AM

TimBucTwo

Posts: 606
Joined: 6/13/2006
From: Upstate NY, USA
Status: offline

It sounds to me like worn tires also. In the turns you have to fight the " V " shape of the front tire and on the straights you have to fight the
" |_| " shape of the rear tire. These bikes are front end heavy and can ware front tires when ridden hard. They also have enough power to wear out rear tires when the throttle is twisted.

I think that new tires will renew you confidence.

(in reply to michnet76)

Post #: 18

RE: '90 CBR1000F handling - help a newbie - 1/23/2007 8:11:38 AM

michnet76

Posts: 97
Joined: 1/19/2007
From: Riverland, South Australia
Status: offline

I took the CBR out on the highway today... yeehaa! Starting to bring back some great memories! And getting me back into the groove! Gee these things are great on the highway! Handle much nicer at speed! Although I noticed a very slight vibration in the handle bars which after about an hour of riding around kinda made my right hand rather numb!! Vibration was slightly worse at highway speeds. Nothing major though.

As the days progress I'm starting to notice more and more noises and faults with this thing! I think the honeymoon period is already starting to end! I might create a seperate thread to discuss the noises as it appears to be nothing that's really been mentioned before, as far as I've been able to search.

Can't wait for new tyres now! LOL!

(in reply to TimBucTwo)

Post #: 19

RE: '90 CBR1000F handling - help a newbie - 1/23/2007 7:24:15 PM

cr cbr

Posts: 35
Joined: 3/31/2006
From: San Jose, Costa Rica
Status: offline

I think every one missed one point in his post. You are applying alot of force to the inside clip on to keep the bike from leaning over more.

Although it is counter intuitive, bikes counter steer. If you are pushing on the inside clip on , you are leaning the bike over further and tighting up your turn.

Push right to go right, push left to go left.

< Message edited by cr cbr -- 1/23/2007 7:25:13 PM >

(in reply to michnet76)

Post #: 20

RE: '90 CBR1000F handling - help a newbie - 1/23/2007 7:52:07 PM

michnet76

Posts: 97
Joined: 1/19/2007
From: Riverland, South Australia
Status: offline

Thanks cr cbr... I understand countersteering and at higher speeds it works great... but at lower speeds with this bike tucking into the corners I can actually feel the handlebars turning into the corner so I'm putting pressure on the inside bar to stop the handle bars turning more into the corner. Noticing this characteristics at 30km/hr and below... at 50+km it seems fine and holds a corner ok, part from the obvious tyre problem. After clocking some k's on it now, I'm assuming this could be an issue of the higher weight of the bike (plus me, being a big lad :-) wanting to tip into the corner... having never ridden a bike like this, I've never experienced it as all the bikes I've had and ridden had a much lower weight therefore handled completely different.

Getting used to it more each time I ride it. Bike is booked in next Tuesday for a set of Dunlop D220's.

(in reply to cr cbr)

Post #: 21

RE: '90 CBR1000F handling - help a newbie - 1/23/2007 10:10:59 PM

cr cbr

Posts: 35
Joined: 3/31/2006
From: San Jose, Costa Rica
Status: offline

At lower than 30 kph it's going to feel like a beast until you are used to it. Even when you are used to it, it's still going to be less than ideal. You will get comfortable with it but you won't forget she's a heavy heavy bike at that speed.

I'm about 280 lbs myself so I know exactly how you feel. I'm running dunlops D207s front and back and that changed the character alot towards the plus side. When I got the bike it had a battleax on the back and a mac adam on the front. I really don't like running different tires and changed them out pretty quickly.

On a side note I sat on a new CBR1000RR at the dealer a couple of weeks ago and it felt like my old yamaha fzr400.

< Message edited by cr cbr -- 1/23/2007 10:12:28 PM >

(in reply to michnet76)

Post #: 22

RE: '90 CBR1000F handling - help a newbie - 1/23/2007 10:25:17 PM

michnet76

Posts: 97
Joined: 1/19/2007
From: Riverland, South Australia
Status: offline

My last bike weighed in around 260kg but the weight was lower around axle height and below. From what I can tell, this bike weighs similar but the weight is at the axle and above, making it feel much more top heavy I guess.

(in reply to cr cbr)

Post #: 23

RE: '90 CBR1000F handling - help a newbie - 1/26/2007 12:05:15 PM

forx

Posts: 109
Joined: 1/26/2007
Status: offline

ive found in the 5 mths ive had my 94 model that i can rip thru uk a/b roads(tight and bumpy) by having tyres at 40 both ends ,3/4 preload and 3/4 damping,and putting my balls up against the tank,pushing more wieght onto the front.and literally "throwing" it into the bendy bits at high speed and dobbing the rear brake at low speed turns
its now only down to bottle i find and making sure i wind on the throttle when it dives(habit from my triumph is to throttle off lol).im on bridgestones and have about a 1/8 inch chicken strip only,so not bad i think.
ps:nice forum.

(in reply to michnet76)

Post #: 24

RE: '90 CBR1000F handling - help a newbie - 1/31/2007 6:13:50 PM

michnet76

Posts: 97
Joined: 1/19/2007
From: Riverland, South Australia
Status: offline

Got new tyres fitted the other day... Dunlop D220's. I ended up pulling the wheels off myself and taking them in and saved $40 that way!! So put the savings towards buying all new fluids and replacing them all (brakes, clutch, oil/filter and coolant).

Also took the opportunity to give the chain a good clean - for those who've been reading the other threads I started will note the noise issues I've had. The chain cleaned up easily with kerosine. I used chain wax spray to re-lube it. I think I used too much as It's made quite a mess on my rear wheel!! My chain felt rather lose before so when putting the rear wheel back on I tensioned it to about 25mm slack, but as I spun the wheel around I noticed some sections were tighter than others... so looks like my chain is stretched in places. I adjusted so the non stretched areas had 25mm slack. Looks like I'm up for a new chain and sprockets soon.

With the tyres back on and all back together, I took it for a ride last night and put some fuel in her. I was nervous initially but after not experiencing any slipping I started pushing it a bit harder through the turns. Wow what a difference!!! Handles much much better, no nasty unexpected dipping into corners, very controllable.. didn't have to use any pressure to keep the bars from turning into corners like mentioned previously.

All in all a very happy rider now. Now to work on getting my rider skills back up to scratch!

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