Question about 1982 Moto Guzzi 850 T 3

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Lighten 850T flywheel and ring gear

I have read much about the benefits of lightening the stock flywheel and ring gear and have decided to go down this road. I am only after the easy gains in acceleration and gear change rather than all out street performance. However I am unsure of exactly how much and where I should be taking the material off. My flywheel is 12mm thick on the outer edge and I have read that the LM1 was 8mm. Do you recommend this on the flywheel and where should I remove on the ring gear?

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If you go to the Guzzitech.com site there are numerous pics of lightened flywheels and ring gears to help you decide what you want to do.

Posted on Nov 10, 2008

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Reduce fuel consumption


Slow down? Professionally tune up your motorcycle? Lighten the load? Good driving habits?

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When pushing the electric start button, the starter spins but does not engage to turn the motor


Starter motor spins, but does not engage
  1. Check the starter motor for a seized or binding pinion gear.
  2. Remove the flywheel inspection plate and check for a damaged ring gear.

Apr 30, 2011 | 2006 Yamaha V Star 1100 Silverado

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2001 SUZUKI INTRUDER 1400 BEEN HAVING PROBLEMS WITH CLUTCH SLAVE CYLINDER. WHEN RIDING CYCLE I CANNOT DOWNSHIFT LOWER THAN 4th GEAR. I HAVE TO STOP AND START OFF IN 4tH GEAR. I CAN UPSHIFT THROUGH ALL...


The Bike Technicians Tactic

Phase1

An electrical inspection on the bike should produce results. First, the bike battery powers the entire lightening systems mentionable as ignition, meter readings, head lamps, signal indicators. However, the battery provides the power supply to several entities though also significant is the fuse box containing circuit protection coils. Inserting the bike key into the ignition to perform start mode displays the capacity power circuits. A charged battery should display an indication in the meter reading area also known as bike dashboard grading. A malfunctioning start mode on inserting key in ignition may be traceable several locations on the electrical circuits. Attempting to repair the electrical power of the bike usually requires batter power power test kit. The test kit ascertains the battery power making possible progress to the remaining electrical circuits. Test kit also ascertains the fuse box circuit functionality either with fuses still intact or extracted allowing for the next progress level. An observation tour of the bikes electrical wiring kits from battery hold through fuse box compartments to each lightening display area either headlamps, indicators, and meter reading should produce results of any visible damages that may require repairs after the electrical inspection has been performed. Once any faults were observed on the electrical channels, repair mode is the next level. A dull battery either may have been depleted completely of durational capacity requiring another for replacement. Alternately, a depleted power supply due to prolonged storage may require charge functionalities. Usually, a device capacapble of restoring a battery of electrolytes is resorted for charger ability. The type of battery may require constuents either liquid cathode replenishment in the battery entrapment area prior to charging feature is assumed with electrolyte machine. Once the battery has regained full functionality makes way the next repair task. The fuse box may have simply required replacement fuses either as missing or burnt out. A fuse box usually contains additional spare for replacement functionalities. An alternate arrangement at acquiring fuses on the auto mart may replace the burnt devices. The next electrical task is wiring fixtures achievable by mending broken cords with appropriate electrician's tapes else malfunctions may remain. Alternately, a worn-out electrical wire is replaceable by acquiring the entire extension lengthwise between significant areas. The last remaining electrical units are lightening indicators consisting of bulbs or luminescent displays reflectors. Observe the blub areas either by loosening covers to inspect for observable burnouts else the entire electrical circuitry is ready for functionality observations with separate entities.

Engine Technicians Tactic

PHASE 2

A bike engine inspection includes observation for indications of malfunction. Any fluid residue is indication of problem areas. Where oil leaks usually requires engine block inspections. A bike engine consists of an entrapment compartment where mechanical combustion takes place. First, the entire observable block consists of an external coating known as engine bloc housing internal component of pistons, rings, and fastens known as cylinder heads. A bike engine has every component embedded within requiring technical expertise to achieve an inspection. Once deciding on the engine task requirements, acquire a tool box with the appropriate componements as first requirement before engine works is commence able. Second, the bike may require an area environment as workshop requirement to attain engine inspections. Third, bike engine are least bulky compared with vehicle engines however assistance would complement the inspection phase. Prior to inspecting the bike engine, a strap mechanism has to be assumed to achieve expert maneuverability also as safe precaution. Unless parts hinder maneuverability at engine locations, the only removable components should be the engine. First, start with disjointing the spark plug cables to acquire accessibility to plugs imbedded on the cylinder heads. The plugs require tools to loosen thereby exposing the combustible area. Once the spark plugs are exposed, two alternatives are likely. First, a spark plug may have gathered rust residue only requiring cleaning to attain regular capacity. The pin area of the spark plug may have been twisted due to overheating and slight melting dislocation. Usually cleaning the residue from old plugs may simply expose the ignitable capacities. However, an observation of twisted plug pin may require twisting back in place to achieve full ignitability once bike engine starts. A bike engine bloc has the pistons as combustibles or blasters of fuel gasoline. The rings perform as strap fasteners whenever the pistons move about combustibility. Usually, the engine entrapment components would have collected residue requiring clearing. Also, pistons together with rings may require replacements either as worn-out due to prolongs tasks or overexerted biker features.

Mar 05, 2011 | 1996 Suzuki VS 1400 Intruder

1 Answer

I have changed 3 pinion gears in a few months on my 1996 evo. Maybe it's when backfire and kick back the ring gear clutch and break... i need a solution NOW....... thanx


I'm assuming the gear you are talking about is the starter gear on the Jackshaft.

If your bike is kicking back on the starter, it's because of a problem in either the ignition or something. What causes this is the engine fires on "the first upstroke" before the flywheels get to moving good. Some aftermarket ignitions such as the Crane HI-4 has a setting for either electric start or kick start. When the electric start position is selected, this delays the spark plugs from firing until the engine rotates over three times. Once those flywheels are rotating like that, the engine will not kick back. But, the stock ignition unit is not set up to do this and in most bikes, it's not a problem. My '94 Wide Glide has only done it once in the ten years that I've owned it and then it do any damage.

So, one question, are you running high octane fuel? If not, your engine could be detonating, or pre-igniting the fuel. If you're running high test fuel, it could be that the ignition timing is set too high. The timing will not change and will remain at the factory setting until someone changes it. But, sometimes those factory guys have bad nights before and one may have gotten your timing set wrong. Also, check for damage to the ring gear. If the ring gear is damaged, this could be damaging the smaller jackshaft gear. The ring gear is replacable as well.

Good Luck
Steve

Aug 09, 2010 | Harley Davidson FXST Softail Standard...

2 Answers

What gearing for honda cr 250


Usually, it seems that changing the front sprocket is more cost effective and easier to do. The front sprockets are about $10-$20 and rears are normally around $40-$50. Usually 1T gearing changes made to the front sprocket are the equivilant of a 3T-4T gearing change to the rear. I personally would go up on the front instead of down on the rear. Right now your gear ratio is 3.846 (meaning every 3.846 rotations of the front sprocket, the rear sprocket makes 1 rotation) If you go down 2T in the rear (13/48) your gear ratio would be 3.692 giving you a little less torque and a little more top end. If you go Up 1T in the front (14/50) your gear ratio would be 3.571. This would be about the equivilant of a 46.5T rear sprocket. (If they made it) The nice thing about doing the front sprocket first is the cost. If you decide it's too much difference and you want something in between, you can put the stock 13 back on and then change the rear (and you would only be out the $$ for the front sprocket) If you start with the rear and decide it's not enough then you change the front you're out the $$ for the rear.

Jan 18, 2010 | 2002 Honda CR 250 R

1 Answer

My bike keeps jamming up with the starting motor it makes a grinding sound the front pully turns once and hesitates too start wots the problem gilera 02 plate vx


Sounds llike this is either the starter loose or, the starter gear is damamged or, the flywheel ring gear is damaged. I'd start by checking the starter, if not loose, remove it and check gear for damage.

Charlie

Sep 16, 2009 | Gilera Runner VX 125 Motorcycles

1 Answer

When I get on the throttle I hear a metal rattle sound


This sounds like pre-ignition, aka detonation and engine knock. Change to premium gas and put in a set of spark plugs that are one heat range colder than stock. It is good that you are handling this before the engine destroys itself. Yes, destroys itself. That is what pre-ignition will do. By the way, good description!

Please rate this answer. Thanks Dan!

Apr 20, 2009 | 2005 Buell Firebolt XB12R

1 Answer

Adjustable rear shocks


There are 2 holes at the base of the shock absorbers. Turn them clockwise for a softer drive. At factory they are setted at 3. THey go from 1 to 6.

Feb 11, 2009 | 1999 Suzuki VZ 800 Marauder

3 Answers

Top speed


no you **** going bigger in the back is more accel, smaller is more top end. a 48-46 would put you somewhere between 80-100 mph depending on the engine but result is **** low end. If your kx is 6 spd you would benefit from going up a tooth or 2 for lowend because it has topend already.

Nov 10, 2008 | 2007 kawasaki KX 125

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